2-Mercaptopropionic acid
ALDRICH/W318000 - ≥95%, FG
Synonym: Thiolactic acid; 2-Mercaptopropionic acid
CAS Number: 79-42-5
Empirical Formula (Hill Notation): C3H6O2S
Molecular Weight: 106.14
EC Number: 201-206-5
MDL Number: MFCD00004862
Linear Formula: CH3CH(SH)COOH
Product Type: Chemical
agency | follows IFRA guidelines |
meets purity specifications of JECFA | |
application(s) | flavors and fragrances |
assay | ≥95% |
biological source | synthetic |
bp | 102 °C/16 mmHg (lit.) |
203-208 °C (lit.) | |
density | 1.196 g/mL at 25 °C (lit.) |
documentation | see Safety & Documentation for available documents |
food allergen | no known allergens |
fragrance allergen | no known allergens |
grade | FG |
Fragrance grade | |
Halal | |
Kosher | |
InChI | 1S/C3H6O2S/c1-2(6)3(4)5/h |
InChI key | PMNLUUOXGOOLSP-UHFFFAOYSA |
mp | 10-14 °C (lit.) |
organoleptic | meaty; roasted; sulfurous |
Quality Level | 400 |
refractive index | n |
reg. compliance | EU Regulation 1223/2009 |
EU Regulation 1334/2008 & 872/2012 | |
SMILES string | CC(S)C(O)=O |
Application: | • Improving the Efficacy of ALA-Based Photodynamic Therapy: 2-MPA was used in the one-step aqueous synthesis of anionic and cationic AgInS2 quantum dots, demonstrating a significant enhancement in the therapeutic efficacy of aminolevulinic acid-based photodynamic cancer therapy (Hashemkhani et al., 2022 ). |
General description: | 2-Mercaptopropionic acid is a synthetic flavor and skin sensitizer used in cosmetics, food and household care products. |
Packaging: | 1 kg in glass bottle |
Packaging: | 5, 25 kg in composite drum |
Symbol | GHS05 |
Signal word | Danger |
Hazard statements | H314 |
Precautionary statements | P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
Hazard Codes | C |
Risk Statements | 34 |
Safety Statements | 26-36/37/39-45 |
RIDADR | UN 2936 6.1 / PGII |
WGK Germany | WGK 1 |
Flash Point(F) | 190.4 °F - closed cup |
Flash Point(C) | 88 °C - closed cup |
Purity | ≥95% |
bp | 102 °C/16 mmHg (lit.); 203-208 °C (lit.) |
mp | 10-14 °C (lit.) |
Density | 1.196 g/mL at 25 °C (lit.) |
Refractive Index | n |
FEMA Number | 3180 |
UNSPSC | 12164502 |