Span 20
- CAS No.
- 1338-39-2
- Chemical Name:
- Span 20
- Synonyms
- SORBITAN MONOLAURATE;SORBITAN LAURATE;EmulsifierS20;SP20;SORBITANE MONOLAURATE;Sorbitan monododecanoate;Span 2;SPAN 20;Qpan 20;SPAN(R) 20
- CBNumber:
- CB3183090
- Molecular Formula:
- C18H34O6
- Molecular Weight:
- 346.46
- MDL Number:
- MFCD00005365
- MOL File:
- 1338-39-2.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Product description | Number | Pack Size | Price |
| Span? 20 | S6635 | 250ml | $75.4 |
| Span? 20 | S6635 | 1l | $275 |
| Span? 20 for synthesis | 8.40119 | 100mL | $48.8 |
| Span? 20 for synthesis | 8.40119 | 500mL | $103 |
| Sorbitan monolaurate | FS28882 | 1000g | $150 |
| More product size | |||
| Boiling point | 401.18°C (rough estimate) |
|---|---|
| Density | 1.032 g/mL at 25 °C(lit.) |
| vapor pressure | <1.3 hPa (20 °C) |
| refractive index |
n |
| Flash point | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | Practically insoluble, but dispersible in water, miscible with alcohol. |
| form | Liquid |
| Specific Gravity | 1.032 |
| color | Clear amber colour |
| Water Solubility | Soluble in 2-ethoxyethanol, ethanol and methanol. Not miscible or difficult to mix in water. |
| Merck | 14,8724 |
| Hydrophilic-Lipophilic Balance (HLB) | 8.6 |
| Cosmetics Ingredients Functions | SURFACTANT - EMULSIFYING |
| InChI | 1S/C18H34O6/c1-2-3-4-5-6-7-8-9-10-11-16(21)23-13-15(20)18-17(22)14(19)12-24-18/h14-15,17-20,22H,2-13H2,1H3/t14-,15,17+,18-/m1/s1 |
| InChIKey | LWZFANDGMFTDAV-IOVMHBDKSA-N |
| SMILES | O1[C@@H]([C@H]([C@@H](C1)O)O)C(O)COC(=O)CCCCCCCCCCC |
| LogP | 3.366 (est) |
| CAS DataBase Reference | 1338-39-2(CAS DataBase Reference) |
| Indirect Additives used in Food Contact Substances | SORBITAN MONOLAURATE |
| FDA 21 CFR | 178.3400 |
| EWG's Food Scores | 1 |
| FDA UNII | 6W9PS8B71J |
| EPA Substance Registry System | Sorbitan monolaurate (1338-39-2) |
| UNSPSC Code | 12352108 |
| NACRES | NA.25 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H317-H319-H335 | |||||||||
| Precautionary statements | P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 | |||||||||
| Safety Statements | 24/25 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | WG2920000 | |||||||||
| F | 10-23 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 34021300 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| Toxicity | LD50 orally in Rabbit: 33600 mg/kg | |||||||||
| REACH Registrations | Inactive | |||||||||
| NFPA 704 |
|
Span 20 price More Price(42)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | S6635 | Span? 20 | 1338-39-2 | 250ml | $75.4 | 2026-04-30 | Buy |
| Sigma-Aldrich | S6635 | Span? 20 | 1338-39-2 | 1l | $275 | 2026-04-30 | Buy |
| Sigma-Aldrich | 8.40119 | Span? 20 for synthesis | 1338-39-2 | 100mL | $48.8 | 2026-04-30 | Buy |
| Sigma-Aldrich | 8.40119 | Span? 20 for synthesis | 1338-39-2 | 500mL | $103 | 2026-04-30 | Buy |
| Biosynth | FS28882 | Sorbitan monolaurate | 1338-39-2 | 1000g | $150 | 2026-06-04 | Buy |
Span 20 Chemical Properties,Uses,Production
Chemical Properties
Brownish-yellow, viscous liquid.
Uses
Span 20 has been used in a study to assess enhanced solubility and oral bioavailability of itraconazole. It has also been used in a study to investigate the oxidation of unsaturated lipids in oil-in-water emulsions.
Uses
Sorbitan Monolaurate is a detergent and monoester of lauric acid and hexitol anhydrides derived from sorbitol.
Uses
sorbitan laurate is an emulsifier in cosmetic creams and lotions as well as a stabilizer of essential oils in water.
Uses
Lonzest(R) SML is used as a lubricant and as an emulsifier.
brand name
Span 20 (ICI Americas).
General Description
Span 20 is a co-surfactant.
Safety Profile
Slightly toxic by ingestion. Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits acrid smoke and irritating fumes.
Span 20 Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Guangdong Huana Chemistry Co.,Ltd. | +862036293412 +8614749365990 | sales@huanachemical.com | CHINA | 15 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +86-15350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-17392712779 | 1097@dideu.com | China | 3992 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 | sales1@chuanghaibio.com | China | 5220 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20120 | 58 |
| Hebei Zhuanglai Chemical Trading Co.,Ltd | 13343047651 | admin@zlchemi.com | China | 3692 | 58 |
| Hebei Zhuanglai Chemical Trading Co Ltd | +86-16264648883 | niki@zlchemi.com | China | 7245 | 58 |
| Shijiazhuang Byine Trading Co.,ltd | 19350938084 | mark@sjzbyine.com | China | 265 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21585 | 55 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +86-18949832763 | info@tnjchem.com | China | 2988 | 55 |
View Lastest Price from Span 20 manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-07-31 | Span 20
1338-39-2
|
0.99 | RongNa Biotechnology Co.,Ltd | ||||
![]() |
2026-07-09 | Span 20
1338-39-2
|
$5.00-8.00 | 1KG | 99% | Henan Fengda Chemical Co., Ltd | ||
![]() |
2026-06-30 | Span 20
1338-39-2
|
1KG | 98 | 10000KGS | Shaanxi Dideu New Materials Co. Ltd |








