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2-Mercapto-3-butanol, also known as 2-MB, is an organic compound with the chemical formula C4H10OS. It is a colorless to pale yellow liquid with a strong, meaty, savory odor reminiscent of sauteed onion and garlic. 2-Mercapto-3-butanol is characterized by its thiol (-SH) group, which contributes to its unique properties and applications.

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  • 37887-04-0 Structure
  • Basic information

    1. Product Name: 2-Mercapto-3-butanol
    2. Synonyms: FEMA 3502;2-MERCAPTO-3-BUTANOL;3-MERCAPTOBUTAN-2-OL;(R*,S*)-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. CAS NO:37887-04-0
    4. Molecular Formula: C4H10OS
    5. Molecular Weight: 106.19
    6. EINECS: 253-701-0
    7. Product Categories: Pharmaceutical Raw Materials;thiol Flavor;Alphabetical Listings;Flavors and Fragrances;M-N;Sulfides flavors
    8. Mol File: 37887-04-0.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 59-61 °C10 mm Hg(lit.)
    3. Flash Point: 143 °F
    4. Appearance: Colorless transparent liquid
    5. Density: 1.013 g/mL at 25 °C(lit.)
    6. Vapor Pressure: 0.75mmHg at 25°C
    7. Refractive Index: n20/D 1.48(lit.)
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. PKA: 10.57±0.10(Predicted)
    11. CAS DataBase Reference: 2-Mercapto-3-butanol(CAS DataBase Reference)
    12. NIST Chemistry Reference: 2-Mercapto-3-butanol(37887-04-0)
    13. EPA Substance Registry System: 2-Mercapto-3-butanol(37887-04-0)
  • Safety Data

    1. Hazard Codes: Xi
    2. Statements: 36/37/38
    3. Safety Statements: 26-36/37/39
    4. RIDADR: UN 3336 3/PG 3
    5. WGK Germany: 3
    6. RTECS:
    7. HazardClass: N/A
    8. PackingGroup: N/A
    9. Hazardous Substances Data: 37887-04-0(Hazardous Substances Data)

37887-04-0 Usage

Uses

Used in the Coatings Industry:
2-Mercapto-3-butanol is used as an additive in the preparation of low-energy UV curing polyurethane acrylate prepolymers. Its addition enhances the UV curing speed, resulting in a more efficient and faster curing process. This leads to improved productivity and reduced energy consumption in the coatings industry.
Used in the Flavor Industry:
Due to its distinct meaty, savory, and sauteed onion and garlic taste characteristics at 4 ppm, 2-Mercapto-3-butanol is used as a flavoring agent in the food and beverage industry. It helps to impart a rich, savory taste to various products, enhancing their overall flavor profile and consumer appeal.

Biochem/physiol Actions

Taste at 4 ppm

Check Digit Verification of cas no

The CAS Registry Mumber 37887-04-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,8,8 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 37887-04:
(7*3)+(6*7)+(5*8)+(4*8)+(3*7)+(2*0)+(1*4)=160
160 % 10 = 0
So 37887-04-0 is a valid CAS Registry Number.
InChI:InChI=1/C4H10OS/c1-3(5)4(2)6/h3-6H,1-2H3

37887-04-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-Mercapto-3-Butanol

1.2 Other means of identification

Product number -
Other names 2-Mercapto-3-butanol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:37887-04-0 SDS

37887-04-0Downstream Products

37887-04-0Relevant articles and documents

PEPTIDE CONJUGATES OF CYTOTOXINS AS THERAPEUTICS

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Paragraph 0335-0336, (2021/01/25)

The present invention relates to peptide conjugates of cytotoxins such as topoisomerase I inhibitors which are useful for the treatment of diseases such as cancer.

Regio- and enantioselective ring-opening of epoxides with HMDST: A straightforward access to 1,2-mercaptoalcohols

Degl'Innocenti, Alessandro,Capperucci, Antonella,Cerreti, Arianna,Pollicino, Salvatore,Scapecchi, Serena,Malesci, Irene,Castagnoli, Giulio

, p. 3063 - 3066 (2007/10/03)

TBAF-catalyzed reaction of a range of substituted epoxides with hexamethyldisilathiane smoothly affords a direct and simple access to β-mercaptoalcohols in a highly regio- and stereo-selective way. Georg Thieme Verlag Stuttgart.

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