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107-96-0

Name 3-Mercaptopropionic acid
CAS 107-96-0
EINECS(EC#) 203-537-0
Molecular Formula C3H6O2S
MDL Number MFCD00004897
Molecular Weight 106.14
MOL File 107-96-0.mol
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Chemical Properties

Appearance clear colourless to yellowish liquid after melting
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.)
Fp  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 107-96-0(EPA Substance)
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Safety Data

Hazard Codes  T
Risk Statements 
R25:Toxic if swallowed.
R34:Causes burns.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
Safety Statements 
S7:Keep container tightly closed .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 2922 8/PG 2
WGK Germany  1
RTECS  UF5270000
F  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

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