ChemicalBook >> CAS DataBase List >>2-Mercapto-3-butanol
2-Mercapto-3-butanol
- CAS No.
- 37887-04-0
- Chemical Name:
- 2-Mercapto-3-butanol
- Synonyms
- FEMA 3502;Fema no. 3502;3-Thio-2-butanol;Einecs 253-701-0;3-Mercapto-2-butanol;2-MERCAPTO-3-BUTANOL;3-MERCAPTOBUTAN-2-OL;3-sulfanylbutan-2-ol;(R,S)-2-mercapto-3-butanol;(R*,S*)-3-mercaptobutan-2-ol
- CBNumber:
- CB2129062
- Molecular Formula:
- C4H10OS
- Molecular Weight:
- 106.19
- MDL Number:
- MFCD00010271
- MOL File:
- 37887-04-0.mol
- MSDS File:
- SDS
Last updated:2026-05-27 23:55:38
| Boiling point | 53 °C/10 mmHg (lit.) |
|---|---|
| Density | 1.013 g/mL at 25 °C (lit.) |
| FEMA | 3502 | 2-MERCAPTO-3-BUTANOL |
| refractive index |
n |
| FLAVIS Number | 12.024 | 3-Mercaptobutan-2-ol |
| Flash point | 143 °F |
| pka | 10.57±0.10(Predicted) |
| Specific Gravity | 0.999 |
| Odor | at 0.10 % in propylene glycol. sulfury roasted onion garlic meaty |
| Odor Type | sulfurous |
| biological source | synthetic |
| JECFA Number | 546 |
| Major Application | flavors and fragrances |
| InChI | InChI=1/C4H10OS/c1-3(5)4(2)6/h3-6H,1-2H3/t3-,4+/s3 |
| InChIKey | MJQWABQELVFQJL-QZMQZWAZNA-N |
| SMILES | C[C@@H](O)[C@@H](S)C |&1:1,3,r| |
| LogP | 0.47 |
| CAS DataBase Reference | 37887-04-0(CAS DataBase Reference) |
| FDA UNII | 82S57584XS |
| UNSPSC Code | 12164502 |
| NACRES | NA.21 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() GHS02,GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H226-H315-H319-H335 |
| Precautionary statements | P210-P302+P352-P305+P351+P338 |
| target organs | Respiratory system |
| PPE | Eyeshields, Gloves, type ABEK (EN14387) respirator filter |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36/37/39 |
| RIDADR | UN 3336 3/PG 3 |
| WGK Germany | 3 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Eye Irrit. 2 Flam. Liq. 3 Skin Irrit. 2 STOT SE 3 |
2-Mercapto-3-butanol price More Price(13)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | W350206 | 2-Mercapto-3-butanol mixture of isomers, ≥97%, FG | 37887-04-0 | 1 each | $58 | 2026-04-30 | Buy |
| Sigma-Aldrich | W350206 | 2-Mercapto-3-butanol mixture of isomers, ≥97%, FG | 37887-04-0 | 1kg | $595 | 2026-04-30 | Buy |
| Sigma-Aldrich | W350206 | 2-Mercapto-3-butanol mixture of isomers, ≥97%, FG | 37887-04-0 | 1 unit | $56.3 | 2025-07-31 | Buy |
| Sigma-Aldrich | W350206 | 2-Mercapto-3-butanol mixture of isomers, ≥97%, FG | 37887-04-0 | sample-k | $54.6 | 2024-03-01 | Buy |
| Sigma-Aldrich | W350206 | 2-Mercapto-3-butanol mixture of isomers, ≥97%, FG | 37887-04-0 | 25g | $149 | 2023-01-07 | Buy |
2-Mercapto-3-butanol Chemical Properties, Uses, Production
Uses
2-Mercapto-3-butanol is used in preparation of low-energy UV curing polyurethane acrylate prepolymer with fast UV curing speed, good toughness and stable storage and UV curing coating.
Taste threshold values
Taste characteristics at 4 ppm: meaty, savory, sauteed onion and garlic.
Biochem/physiol Actions
Taste at 4 ppm
2-Mercapto-3-butanol Preparation Products And Raw materials
Raw materials
Preparation Products
Global Suppliers ( 268)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Tianjin Zhongxin Chemtech Co., Ltd. | 022-66880623 | sales@tjzxchem.com | China | 612 | 60 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| JinYan Chemicals(ShangHai) Co.,Ltd. | 13817811078 | sales@jingyan-chemical.com | China | 9963 | 60 |
| Shijiazhuang Lida Chemical Co., Ltd. | +86 (311) 8573-7996 | service@lid-ff.cn | China | 294 | 65 |
| Sichuan Kulinan Technology Co., Ltd | 400-1166-196 18981987031 | cdhxsj@163.com | China | 11674 | 57 |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
| ZhengZhou HuaWen Chemical Co.Ltd | 0370-2785118 17550508557 | 675141927@qq.com | China | 3201 | 55 |
| Chengdu Ai Keda Chemical Technology Co., Ltd. | 4008-755-333 18080918076 | 800078821@qq.com | China | 9706 | 55 |
| T&W GROUP | 021-61551611 13296011611 | contact@trustwe.com | China | 9884 | 58 |
View Latest Price from 2-Mercapto-3-butanol manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-09-02 | 2-Mercapto-3-butanol
37887-04-0
|
$1.10-32.00 | 1kg | 99% | Henan Fengda Chemical Co., Ltd | ||
![]() |
2026-06-30 | 2-Mercapto-3-butanol
37887-04-0
|
1KG | 98.0% | 10000KGS | Shaanxi Dideu New Materials Co. Ltd | ||
![]() |
2025-06-20 | 2-Mercapto-3-butanol
37887-04-0
|
$9.00-20.00 | 1kg | 0.99 | 20 tons per month | Hebei Yanxi Chemical Co., Ltd. |
-

- 2-Mercapto-3-butanol
37887-04-0
- $1.10-32.00
- 99%
- Henan Fengda Chemical Co., Ltd
-

- 2-Mercapto-3-butanol
37887-04-0
- 98.0%
- Shaanxi Dideu New Materials Co. Ltd
-

- 2-Mercapto-3-butanol
37887-04-0
- $9.00-20.00
- 0.99
- Hebei Yanxi Chemical Co., Ltd.
37887-04-0 (2-Mercapto-3-butanol) Related Search:
FEMA 3502
2-MERCAPTO-3-BUTANOL
(R*,S*)-3-mercaptobutan-2-ol
3-MERCAPTOBUTAN-2-OL
2-MERCAPTO-3-BUTANOL 97+% MIXTURE OF &
2-MERCAPTO-3-BUTANOL FEMA NO.3502
2-Butanol, 3-mercapto-, (2R,3S)-rel-
3-Thio-2-butanol
3-Mercapto-2-butanol
2-Butanol, 3-mercapto-, (theta,S)-
Einecs 253-701-0
Fema no. 3502
2-Mercapto-3-butanol >=98.0%
3-sulfanylbutan-2-ol
2-Mercapto-3-butanol, Mixture of isoMers
(2R,3S)-3-Mercaptobutan-2-ol
2-Butanol, 3-mercapto-,(2R,3S)-rel- (9CI)
2-Mercapto-3-butanol USP/EP/BP
(R,S)-2-mercapto-3-butanol
High purity CAS 37887-04-0 2-Mercapto-3-butanol in stock
rel-(2R,3S)-3-Mercapto-2-butanol
(2R,3S)-3-sulfanylbutan-2-ol
37887-04-0
95-71-7
3484-18-6
CH3CHOHCHSHCH3
C4H10OS
C4H10SO
Thiols/Mercaptans
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Organic Building Blocks
Building Blocks
Sulfides flavors
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