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3-Hydroxypropionitrile Structure

3-Hydroxypropionitrile

Chemical Properties

Melting point -46 °C (lit.)
Boiling point 228 °C (lit.)
Density  1.04 g/mL at 25 °C (lit.)
vapor density  2.5 (vs air)
vapor pressure  <0.1 mm Hg ( 20 °C)
refractive index  n20/D 1.425(lit.)
Flash point >230 °F
storage temp.  Store below +30°C.
solubility  diethyl ether: slightly soluble2.3% (w/w) at 15°C(lit.)
pka 13.82±0.10(Predicted)
form  Liquid
Specific Gravity 1.047 (20/4℃)
color  Clear slightly yellow to yellow
PH 3.0-4.5 (H2O, 20℃)(undiluted)
explosive limit 12.1%
Viscosity 4.05mm2/s
Water Solubility  >=10 g/100 mL at 20 ºC
Merck  14,3794
BRN  635773
Exposure limits NIOSH: IDLH 25 mg/m3
Stability Stable. Flammable. Incompatible with strong oxidizing agents. Reacts with water or steam to release toxic vapours. Reacts violently with acids, amines, inorganic bases. Corrodes mild steel.
InChIKey WSGYTJNNHPZFKR-UHFFFAOYSA-N
LogP -0.94 at 20℃
Indirect Additives used in Food Contact Substances ETHYLENE CYANOHYDRIN
FDA 21 CFR 175.105
CAS DataBase Reference 109-78-4(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 7V8108WN46
NIST Chemistry Reference Propanenitrile,3-hydroxy-(109-78-4)
EPA Substance Registry System Ethylene cyanohydrin (109-78-4)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319-H373-H303-H335
Precautionary statements P261-P280a-P304+P340-P305+P351+P338-P405-P501a-P260-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P314-P501
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-24/25
RIDADR  2810
WGK Germany  1
RTECS  MU5250000
8-10
Autoignition Temperature 922 °F
Hazard Note  Irritant
TSCA  Yes
HS Code  29269095
Hazardous Substances Data 109-78-4(Hazardous Substances Data)
Toxicity LD50 orally in rats: 10.0 g/kg (Smyth, Carpenter)
NFPA 704:
2
1 2

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