2-Mercaptopropionic acid
- CAS No.
- 79-42-5
- Chemical Name:
- 2-Mercaptopropionic acid
- Synonyms
- FEMA 3810;FEMA 3180;thiolactic;Thiomilchsure;THIOLACTIC ACID;2-thiolacticacid;2-Thiolactic acid;ThiolacticAcid>Thiolacticacid,95%;Thiolactic acid 95%
- CBNumber:
- CB0239767
- Molecular Formula:
- C3H6O2S
- Molecular Weight:
- 106.14
- MOL File:
- 79-42-5.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/8/21 22:41:43
| Melting point | 10-14 °C (lit.) |
|---|---|
| Boiling point | 102 °C/16 mmHg (lit.) 203-208 °C (lit.) |
| Density | 1.196 g/mL at 25 °C (lit.) |
| vapor pressure | 1.7 hPa (20 °C) |
| refractive index |
n |
| FEMA | 3180 | 2-MERCAPTOPROPIONIC ACID |
| Flash point | 190 °F |
| storage temp. | 2-8°C |
| solubility | 1g/L in organic solvents at 20 ℃ |
| pka | pK1:4.32(0);pK2:10.20(SH) (25°C) |
| form | Liquid |
| color | Clear colorless to slightly yellow |
| PH | 2 (H2O, 20℃)(undiluted) |
| Odor | at 0.01 % in propylene glycol. meaty sulfurous roasted |
| Odor Type | sulfurous |
| Water Solubility | MISCIBLE |
| Merck | 14,9340 |
| JECFA Number | 551 |
| BRN | 506218 |
| InChIKey | PMNLUUOXGOOLSP-UHFFFAOYSA-N |
| LogP | 1.15 at 20℃ |
| CAS DataBase Reference | 79-42-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Mercaptopropanoic acid(79-42-5) |
| EPA Substance Registry System | Propanoic acid, 2-mercapto- (79-42-5) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H314 | |||||||||
| Precautionary statements | P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363-P405 | |||||||||
| Hazard Codes | C | |||||||||
| Risk Statements | 34-22 | |||||||||
| Safety Statements | 26-36/37/39-45-25 | |||||||||
| RIDADR | UN 2936 6.1/PG 2 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | UF5250000 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 6.1 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29309070 | |||||||||
| Toxicity | LD50 orally in Rabbit: 730 mg/kg | |||||||||
| NFPA 704 |
|
2-Mercaptopropionic acid price More Price(13)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | W318000 | 2-Mercaptopropionic acid ≥95%, FG | 79-42-5 | 1SAMPLE-K | ₹5141.88 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | T31003 | Thiolactic acid 95% | 79-42-5 | 5G | ₹2035.1 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | W318000 | 2-Mercaptopropionic acid ≥95%, FG | 79-42-5 | 1KG | ₹13076.6 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | T31003 | Thiolactic acid 95% | 79-42-5 | 100G | ₹2565.53 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | T31003 | Thiolactic acid 95% | 79-42-5 | 500G | ₹8454.33 | 2022-06-14 | Buy |
2-Mercaptopropionic acid Chemical Properties,Uses,Production
Chemical Properties
Clear colorless to slightly yellow liquid. Oily liquid; Melting point 10 ℃; Boiling point d-95 ~ 100 ℃ / 2133Pa, dl- 98.5 ~ 99.0 ℃ / 1866Pa; Density I-D19.24 1.193; Refractive index dl-nD: 1.4823; Optical rotation[α] D-45.47; soluble in water, ethanol and ether.
Uses
Depilatory, hair-waving preparations.
Preparation
By electrolysis of the corresponding sulfide, S(SCHMeCO2H)2.
General Description
An oily liquid with an unpleasant odor. Toxic by ingestion and skin absorption. Used as a depilatory and in hair waving preparations.
Air & Water Reactions
Soluble in water and denser than water.
Health Hazard
TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Fire Hazard
Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.
Safety Profile
Poison by ingestion. Moderately toxic by inhalation. When heated to decomposition it emits toxic fumes of SOx. See also SULFIDES and MERCAPTANS.
2-Mercaptopropionic acid Preparation Products And Raw materials
Raw materials
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chevron_rightPreparation Products
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| Otto Chemie Pvt. Ltd. | +91 9820041841 | Mumbai, India | 5873 | 58 | Inquiry |
| CLEARSYNTH LABS LTD. | +91-22-45045900 | Hyderabad, India | 6351 | 58 | Inquiry |
| Alfa Aesar | 1 800 209 7001 | Maharashtra, India | 6913 | 58 | Inquiry |
| Central Drug House(P) Ltd. | 91-11-49404040 | New Delhi, India | 6160 | 58 | Inquiry |
| SynZeal Research Pvt Ltd | +1 226-802-2078 | Gujarat, India | 6522 | 58 | Inquiry |
| Pharmaffiliates Analytics and Synthetics P. Ltd | +91-172-5066494 | Haryana, India | 6773 | 58 | Inquiry |
| TCI Chemicals (India) Pvt. Ltd. | 1800 425 7889 | New Delhi, India | 6778 | 58 | Inquiry |
| HiMedia Laboratories | 91-22-61471919 | Maharashtra, India | 1843 | 58 | Inquiry |
| OCEAN TRADING CORPORATION | +91(22) 24921669 | New Delhi, India | 6211 | 58 | Inquiry |
| Pharma Affiliates | 172-5066494 | Haryana, India | 6761 | 58 | Inquiry |
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