Chemical Safety Data Sheet MSDS / SDS
OCTADECANOIC ACID-1-13C
Revision Date:2026-05-31Revision Number:1
Product identifier
- Product name: OCTADECANOIC ACID-1-13C
- CBnumber: CB5213799
- CAS: 85541-42-0
- Synonyms: STEARIC ACID 13C;STEARIC 1-13C ACID
Relevant identified uses of the substance or mixture and uses advised against
- Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
- Uses advised against: none
Company Identification
- Company: Chemicalbook
- Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
- Telephone: 010-86108875
GHS Label elements, including precautionary statements
-
Symbol(GHS)
- Signal wordWarning
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P321 Specific treatment (see … on this label).
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
Hazard statements
H315 Causes skin irritation
Substance
- Product name: OCTADECANOIC ACID-1-13C
- Synonyms: STEARIC ACID 13C;STEARIC 1-13C ACID
- CAS: 85541-42-0
- MF: C18H36O2
- MW: 285.49
4.1 Description of first-aid measures
If inhaledAfter inhalation: fresh air.
In case of skin contact
In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower.
In case of eye contact
After eye contact: rinse out with plenty of water. Remove contact lenses.
If swallowed
After swallowing: make victim drink water (two glasses at most). Consult doctor if feeling unwell.
4.2 Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2) and/or in section 11
4.3 Indication of any immediate medical attention and special treatment needed
No data available
4.4 Notes to physician
No data available
5.1 Extinguishing media
Suitable extinguishing mediaWater Foam Carbon dioxide (CO2) Dry powder
Unsuitable extinguishing media
For this substance/mixture no limitations of extinguishing agents are given.
5.2 Special hazards arising from the substance or mixture
Carbon oxides
Combustible.
Vapors are heavier than air and may spread along floors.
Forms explosive mixtures with air on intense heating.
Development of hazardous combustion gases or vapours possible in the event of fire.
Combustible.
Vapors are heavier than air and may spread along floors.
Forms explosive mixtures with air on intense heating.
Development of hazardous combustion gases or vapours possible in the event of fire.
5.3 Advice for firefighters
In the event of fire, wear self-contained breathing apparatus.
none
none
NFPA 704
1
0
0
| HEALTH | 1 | Exposure would cause irritation with only minor residual injury (e.g. acetone, sodium bromate, potassium chloride) | |
| FIRE | 0 | Materials that will not burn under typical fire conditions, including intrinsically noncombustible materials such as concrete, stone, and sand. Materials that will not burn in air when exposed to a temperature of 820 °C (1,500 °F) for a period of 5 minutes.(e.g. Carbon tetrachloride) | |
| REACT | 0 | Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2) | |
| SPEC. HAZ. |
6.1 Personal precautions, protective equipment and emergency procedures
Advice for non-emergency personnel: Avoid inhalation of dusts. Evacuate the danger area, observe emergency procedures, consult an expert.
For personal protection see section 8.
For personal protection see section 8.
6.2 Environmental precautions
No special precautionary measures necessary.
6.3 Methods and materials for containment and cleaning up
Observe possible material restrictions (see sections 7 and 10). Take up dry. Dispose of properly. Clean up affected area. Avoid generation of dusts.
6.4 Reference to other sections
For disposal see section 13.
7.1 Precautions for safe handling
For precautions see section 2.2.
7.2 Conditions for safe storage, including any incompatibilities
Storage conditionsTightly closed. Dry.
Storage class
Storage class (TRGS 510): 11: Combustible Solids
8.1 Control parameters
Ingredients with workplace control parameters| ['Component', 'CAS-No.', 'Value', 'Control\nparameters', 'Basis'] | ['Stearic acid-1-\n | ['', 'Remarks', 'Not classifiable as a human carcinogen', None, None] | ['', '', 'TWA', '3 mg/m3', 'USA. ACGIH Threshold Limit\nValues (TLV)'] | ['', '', 'Not classifiable as a human carcinogen', None, None] |
|---|
8.2 Exposure controls
Appropriate engineering controlsChange contaminated clothing. Wash hands after working with substance.
Personal protective equipment
Eye/face protection
Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Safety glasses
Skin protection
This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell,
Internet: www.kcl.de).
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 L
This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell,
Internet: www.kcl.de).
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 L
Respiratory protection
Internet: www.kcl.de).
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 L
This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell,
Internet: www.kcl.de).
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 L
required when dusts are generated.
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
Control of environmental exposure
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
No special precautionary measures necessary.
Information on basic physicochemical properties
- a) Physical statesolid
- b) ColorWhite
- c) OdorNo data available
- d) Melting point/freezing pointMelting point/range: 68 - 70 °C - lit.
- e) Initial boiling point and boiling range361 °C - lit.
- f) Flammability (solid, gas)No data available
- g) Upper/lower flammability or explosive limitsNo data available
- h) Flash point113.00 °C - closed cup
- i) Autoignition temperatureNo data available
- j) Decomposition temperatureNo data available
- k) pHNo data available
- l) ViscosityViscosity, kinematic: No data available
Viscosity, dynamic: No data available - m) Water solubilityNo data available
- n) Partition coefficient n-octanol/waterNo data available
- o) Vapor pressure1 hPa at 173.70 °C
- p) DensityNo data available
- Relative densityNo data available
- q) Relative vapor densityNo data available
- r) Particle characteristicsNo data available
- s) Explosive propertiesNo data available
- t) Oxidizing propertiesnone
- SolubilityChloroform (Slightly), Ethyl Acetate (Slightly)
9.2 Other safety information
No data available
10.1 Chemical stability
The product is chemically stable under standard ambient conditions (room temperature) .
The product is chemically stable under standard ambient conditions (room temperature) .
The product is chemically stable under standard ambient conditions (room temperature) .
10.2 Possibility of hazardous reactions
Violent reactions possible with:
Strong oxidizing agents
Reducing agents strong alkalis
Strong oxidizing agents
Reducing agents strong alkalis
10.3 Conditions to avoid
Strong heating.
Strong heating.
Strong heating.
10.4 Incompatible materials
No data available
10.5 Hazardous decomposition products
No data available
In the event of fire: see section 5
In the event of fire: see section 5
11.1 Information on toxicological effects
Acute toxicityLD50 Oral - Rat - > 5,000 mg/kg (OECD Test Guideline 401)
Remarks: The value is given in analogy to the following substances: stearic acid
LC50 Inhalation - Rat - male and female - 4 h - > 0.162 mg/l - vapor
Remarks: (ECHA)
The value is given in analogy to the following substances: stearic acid
LD50 Dermal - Rabbit - male and female - > 2,000 mg/kg (OECD Test Guideline 434)
Remarks: The value is given in analogy to the following substances: stearic acid
Skin corrosion/irritation
Remarks: The value is given in analogy to the following substances: stearic acid
LC50 Inhalation - Rat - male and female - 4 h - > 0.162 mg/l - vapor
Remarks: (ECHA)
The value is given in analogy to the following substances: stearic acid
LD50 Dermal - Rabbit - male and female - > 2,000 mg/kg (OECD Test Guideline 434)
Remarks: The value is given in analogy to the following substances: stearic acid
Skin - Rabbit
Result: No skin irritation - 24 h (Patch Test 24 Hrs.)
Remarks: The value is given in analogy to the following substances: stearic acid
Serious eye damage/eye irritation
Result: No skin irritation - 24 h (Patch Test 24 Hrs.)
Remarks: The value is given in analogy to the following substances: stearic acid
Eyes - Rabbit
Result: No eye irritation
Remarks: (ECHA)
The value is given in analogy to the following substances: stearic acid
Respiratory or skin sensitization
Result: No eye irritation
Remarks: (ECHA)
The value is given in analogy to the following substances: stearic acid
Classified based on available data. For more details, see section 2
Germ cell mutagenicity
Test Type: Ames test
Test system: S. typhimurium
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 471
Result: negative
Remarks: (National Toxicology Program)
The value is given in analogy to the following substances: stearic acidCarcinogenicity
No data available
Reproductive toxicity
Test system: S. typhimurium
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 471
Result: negative
Remarks: (National Toxicology Program)
The value is given in analogy to the following substances: stearic acidCarcinogenicity
No data available
Classified based on available data. For more details, see section 2
Specific target organ toxicity - single exposure
Classified based on available data. For more details, see section 2
Specific target organ toxicity - repeated exposure
Classified based on available data. For more details, see section 2
Aspiration hazard
Classified based on available data. For more details, see section 2
11.2 Additional Information
Repeated dose toxicity - Rat - male and female - Oral - NOAEL (No observed adverse effect level) - 1,000 mg/kg
Remarks: The value is given in analogy to the following substances: Docosanoic acid
Cough, Gastrointestinal discomfort, irritant effects
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
Remarks: The value is given in analogy to the following substances: Docosanoic acid
Cough, Gastrointestinal discomfort, irritant effects
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
12.1 Toxicity
Toxicity to algae static test ErC50 - Pseudokirchneriella subcapitata - > 0.9 mg/l - 72 h (OECD Test Guideline 201)
Remarks: The value is given in analogy to the following substances: palmitic acid (Stearic acid-1-13C)
Toxicity to daphnia semi-static test EC50 - Daphnia magna (Water flea) - > 0.22 mg/l - and other aquatic 21 d invertebrates(Chronic (OECD Test Guideline 211) toxicity) Remarks: The value is given in analogy to the following substances: palmitic acid
Remarks: The value is given in analogy to the following substances: palmitic acid (Stearic acid-1-13C)
Toxicity to daphnia semi-static test EC50 - Daphnia magna (Water flea) - > 0.22 mg/l - and other aquatic 21 d invertebrates(Chronic (OECD Test Guideline 211) toxicity) Remarks: The value is given in analogy to the following substances: palmitic acid
12.2 Persistence and degradability
Biodegradability aerobic - Exposure time 21 d
Result: 95 % - Readily biodegradable.
Remarks: (ECHA)
The value is given in analogy to the following substances: stearic acid
Ratio BOD/ThBOD 44 %
Remarks: (HSDB)
Result: 95 % - Readily biodegradable.
Remarks: (ECHA)
The value is given in analogy to the following substances: stearic acid
Ratio BOD/ThBOD 44 %
Remarks: (HSDB)
12.3 Bioaccumulative potential
Bioaccumulation Danio rerio (zebra fish) - 28 d at 21.5 °C - 6.4 mg/l(Stearic acid-1-13C)
Bioconcentration factor (BCF): 238 - 288 (OECD Test Guideline 305)
Remarks: The value is given in analogy to the following substances:
Sodium laurate
Bioconcentration factor (BCF): 238 - 288 (OECD Test Guideline 305)
Remarks: The value is given in analogy to the following substances:
Sodium laurate
12.4 Mobility in soil
No data available
12.5 Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
12.6 Endocrine disrupting properties
No data available
12.7 Other adverse effects
No data available
13.1 Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Offer surplus and non-recyclable solutions to a licensed disposal company.
14.1 UN number
ADR/RID: -
IMDG: -
IATA-DGR: -
IMDG: -
IATA-DGR: -
14.2 UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA-DGR: Not dangerous goods
IMDG: Not dangerous goods
IATA-DGR: Not dangerous goods
14.3 Transport hazard class(es)
ADR/RID: -
IMDG: -
IATA-DGR: -
IMDG: -
IATA-DGR: -
14.4 Packaging group
ADR/RID: -
IMDG: -
IATA-DGR: -
IMDG: -
IATA-DGR: -
14.5 Environmental hazards
ADR/RID: no
IMDG Marine pollutant: no
IATA-DGR: no
IMDG Marine pollutant: no
IATA-DGR: no
14.6 Special precautions for user
14.7 Incompatible materials
Further information: Not classified as dangerous in the meaning of transport regulations.
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
National regulatory information
Law on the Prevention and Control of Occupational Diseases
Other regulations
Please pay attention on the waste treatment should also comply with local regulations requirement.
Law on the Prevention and Control of Occupational Diseases
Other regulations
Please pay attention on the waste treatment should also comply with local regulations requirement.
Abbreviations and acronyms
CAS: Chemical Abstracts Service
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
Disclaimer:
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.