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)
pka :pK1:;pK2:10.84(SH) (25°C)
form :Crystalline Powder, Crystals, and/or Chunks
color :White
Specific Gravity :1.218
PH :2 (120g/l, H2O, 20℃)
Odor :sulfurous roasted
Odor Type :sulfurous
explosive limit :1.60%(V)
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)
Absorption :cut-off at 270nm

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
Precautionary statements:	P234 Keep only in original container. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.