Chemical Safety Data Sheet MSDS / SDS
DICHLORODI-N-PENTYLSILANE
Revision Date:2026-05-31Revision Number:1
Product identifier
- Product name: DICHLORODI-N-PENTYLSILANE
- CBnumber: CB4243706
- CAS: 18037-39-3
- Synonyms: Dichlorodi-n-pentylsilane,Silane,dichlorodipentyl-
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 wordDanger
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P271 Use only outdoors or in a well-ventilated area.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P501 Dispose of contents/container to..…
P363 Wash contaminated clothing before reuse.
P322 Specific measures (see …on this label).
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P501 Dispose of contents/container to..…
P330 Rinse mouth.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P270 Do not eat, drink or smoke when using this product.
P264 Wash skin thouroughly after handling.
P310 Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P501 Dispose of contents/container to..…
P405 Store locked up.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321 Specific treatment (see … on this label).
P310 Immediately call a POISON CENTER or doctor/physician.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P363 Wash contaminated clothing before reuse.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P264 Wash skin thouroughly after handling.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
Hazard statements
H312 Harmful in contact with skin
H302 Harmful if swallowed
H314 Causes severe skin burns and eye damage
H332 Harmful if inhaled
H318 Causes serious eye damage
Substance
- Product name: DICHLORODI-N-PENTYLSILANE
- Synonyms: Dichlorodi-n-pentylsilane,Silane,dichlorodipentyl-
- CAS: 18037-39-3
- MF: C10H22Cl2Si
- MW: 241.27
If inhaled
Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER or doctor/ physician.
In case of skin contact
Take off all contaminated clothing immediately. If on skin, rinse well with water. If skin irritation or rash occurs: Get medical advice/ attention.
In case of eye contact
Rinse with plenty of water. If easy to do, remove contact lens, if worn. Immediately call a POISON CENTER or doctor/ physician.
If swallowed
Immediately call a POISON CENTER or doctor/ physician. Rinse mouth. Do NOT induce vomiting.
Most important symptoms and effects, both acute and delayed
None known.
Suitable extinguishing media
Dry powder, Dry sand, Carbon dioxide (CO2)
Unsuitable extinguishing media
Water
Specific hazards during fire fighting
No information available.
Specific extinguishing methods
Use extinguishing measures that are appropriate to local circumstances and the surrounding environment. Immediately evacuate personnel to safe areas. Remove undamaged containers from fire area if it is safe to do so.
Special protective equipment for fire-fighters
Use personal protective equipment.
NFPA 704
1
1
0
| HEALTH | 1 | Exposure would cause irritation with only minor residual injury (e.g. acetone, sodium bromate, potassium chloride) | |
| FIRE | 1 | Materials that require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur. Includes some finely divided suspended solids that do not require heating before ignition can occur. Flash point at or above 93.3 °C (200 °F). (e.g. mineral oil, ammonia) | |
| REACT | 0 | Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2) | |
| SPEC. HAZ. |
Personal precautions, protective equipment and emergency procedures
Wear suitable protective equipment. Keep people away from and upwind of spill/leak. Ensure adequate ventilation. Entry to non-involved personnel should be controlled around the leakage area by roping off, etc.
Environmental precautions
Prevent product from entering drains.
Methods and materials for containment and cleaning up
Collect as much of the spill as possible with a suitable absorbent material.
Handling
Technical measuresPrevent generation of vapor or mist.
Local/Total ventilation
Ensure adequate ventilation. Handle product only in closed system or provide appropriate exhaust ventilation at machinery. Use a local exhaust ventilation.
Advice on safe handling
Avoid contact with skin, eyes and clothing. Wear personal protective equipment. Wash hands and face thoroughly after handling. Open drum carefully as content may be under pressure. Keep only in original packaging.
Avoidance of contact
Oxidizing agents
Storage
Conditions for safe storageKeep container tightly closed. Store in a cool and shaded area. Protect from moisture. Keep under inert gas. Store locked up.
Ingredients with workplace control parameters
Contains no substances with occupational exposure limit values.
Engineering measures
Install a closed system or local exhaust.
Also install safety shower and eye bath.
Also install safety shower and eye bath.
Personal protective equipment
Respiratory protectionGas mask
Self-contained breathing apparatus
Eye/face protection
Self-contained breathing apparatus
Safety glasses
Safety goggles
Face-shield
Skin and body protection
Safety goggles
Face-shield
Impervious protective clothing
Hand protection
Impervious gloves *Use personal protective equipment(PPE) approved under appropriate government standards and follow local and national regulations.
Information on basic physicochemical properties
- Physical stateclear liquid
- Molecular weight241.27 g/mol
- Viscosity, kinematicNo data available
- Viscosity, dynamicNo data available
- Decomposition temperatureNo data available
- Autoignition temperatureNo data available
- Partition coefficient: n-octanol/waterNo data available
- Solubility in other solventsNo data available
- Water solubilityNo data available
- Relative density0.96
- Vapor pressureNo data available
- Lower explosion limit / Lower flammability limitNo data available
- Upper explosion limit / Upper flammability limitNo data available
- FlammabilityNo data available
- Evaporation rateNo data available
- Flash pointNo data available
- Boiling point/boiling range245.9±8.0 °C(Predicted)
- Melting point/freezing pointNo data available
- pHNo data available
- Odor ThresholdNo data available
- OdorNo data available
- Colorcolorless - yellow
- Appearanceliquid
Reactivity
No data available
Chemical stability
Stable under normal conditions.
Possibility of hazardous reactions
Decomposes in contact with water and liberates toxic gases.
Conditions to avoid
Exposure to moisture.
Incompatible materials
Oxidizing agents
Hazardous decomposition products
Carbon monoxide, Carbon dioxide (CO2), Silicon oxides, Hydrogen chloride gas
Acute toxicity
Product
Acute oral toxicity
Assessment: The component/mixture is moderately toxic after single ingestion.
Acute inhalation toxicity
Assessment: The component/mixture is moderately toxic after short term inhalation.
Acute dermal toxicity
Assessment: The component/mixture is moderately toxic after single contact with skin.
Components
Dichlorodipentylsilane
Acute oral toxicity
Assessment: The component/mixture is moderately toxic after single ingestion.
Acute inhalation toxicity
Assessment: The component/mixture is moderately toxic after short term inhalation.
Acute dermal toxicity
Assessment: The component/mixture is moderately toxic after single contact with skin.
Skin corrosion/irritation
Product
Result
Causes burns.
Components
Dichlorodipentylsilane
Result
Causes burns.
Serious eye damage/eye irritation
Product
Result
Irreversible effects on the eye
Components
Dichlorodipentylsilane
Result
Irreversible effects on the eye
Respiratory or skin sensitization
Classified based on available data. For more details, see section 2.
Germ cell mutagenicity
Classified based on available data. For more details, see section 2.
Carcinogenicity
Classified based on available data. For more details, see section 2.
Reproductive toxicity
Classified based on available data. For more details, see section 2.
STOT-single exposure
Classified based on available data. For more details, see section 2.
STOT-repeated exposure
Classified based on available data. For more details, see section 2.
Repeated dose toxicity
Classified based on available data. For more details, see section 2.
Aspiration toxicity
Classified based on available data. For more details, see section 2.
Ecotoxicity
No data available
Persistence and degradability
No data available
Bioaccumulative potential
No data available
Mobility in soil
No data available
Other adverse effects
No data available
Disposal methods
Waste from residuesDisposal in accordance with local and national regulations. Entrust disposal to a licensed waste disposal company.
Contaminated packaging
Disposal in accordance with local and national regulations. Before disposal of used container, remove contents completely.
International Regulations
IATA-DGR
UN/ID No.UN 2987
Proper shipping name
Chlorosilanes, corrosive, n.o.s.
Class
8
Packing group
II
IMDG-Code
UN numberUN 2987
Proper shipping name
CHLOROSILANES, CORROSIVE, N.O.S.
Class
8
Packing group
II
EmS Code
F-A, S-B
Domestic regulation
GB 6944/12268
UN numberUN 2987
Proper shipping name
CHLOROSILANES, CORROSIVE, N.O.S.
Class
8
Packing group
II
CH BAGREG
Not in compliance with the inventory
TSCA
Substance(s) not listed on TSCA inventory
AICS
Not in compliance with the inventory
DSL
This product contains the following components that are not on the
Canadian DSL nor NDSL.
Dichlorodipentylsilane
Canadian DSL nor NDSL.
Dichlorodipentylsilane
ENCS
Not in compliance with the inventory
ISHL
Not in compliance with the inventory
KECI
Not in compliance with the inventory
PICCS
Not in compliance with the inventory
IECSC
On the inventory, or in compliance with the inventory
NZIoC
Not in compliance with the inventory
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.