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3-Mercaptopropionic acid Structure

3-Mercaptopropionic acid

Chemical Properties

Melting point 15-18 °C (lit.)
Boiling point 110-111 °C/15 mmHg (lit.)
Density  1.218 g/mL at 25 °C (lit.)
vapor pressure  0.04 mm Hg ( 20 °C)
FEMA  4587 | 3-MERCAPTOPROPIONIC ACID
refractive index  n20/D 1.492(lit.)
Flash point 201 °F
storage temp.  Store below +30°C.
solubility  Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form  Crystalline Powder, Crystals, and/or Chunks
pka pK1:;pK2:10.84(SH) (25°C)
color  White
Specific Gravity 1.218
Odor sulfurous roasted
PH 2 (120g/l, H2O, 20℃)
explosive limit 1.60%(V)
Odor Type sulfurous
Water Solubility  soluble
Sensitive  Air Sensitive & Hygroscopic
JECFA Number 1936
BRN  773807
Stability Air Sensitive, Hygroscopic
InChIKey DKIDEFUBRARXTE-UHFFFAOYSA-N
LogP -2.3 at 22℃
CAS DataBase Reference 107-96-0(CAS DataBase Reference)
NIST Chemistry Reference 3-Thiolpropanoic acid(107-96-0)
EPA Substance Registry System 3-Mercaptopropanoic acid (107-96-0)

Safety Information

Hazard Codes  T
Risk Statements  25-34-23/24/25
Safety Statements  7-26-36/37/39-45
RIDADR  UN 2922 8/PG 2
WGK Germany  1
RTECS  UF5270000
10-13
Autoignition Temperature 662 °F
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29309070
Hazardous Substances Data 107-96-0(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 96 mg/kg

MSDS

Usage And Synthesis

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