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2,2-Bis(hydroxymethyl)propionic acid Structure

2,2-Bis(hydroxymethyl)propionic acid

Chemical Properties

Melting point 189-191 °C(lit.)
Boiling point 167.23°C (rough estimate)
Density  0.84
vapor density  <1 (vs air)
refractive index  1.4240 (estimate)
Flash point >150°C
storage temp.  Inert atmosphere,Room Temperature
solubility  H2O: soluble
form  Crystalline Powder
pka 4.16±0.15(Predicted)
color  White
PH 2.6 (50g/l, H2O, 20℃)
Water Solubility  soluble
Sensitive  Hygroscopic
Merck  14,3253
BRN  1756385
Stability Stable. Hygroscopic.
InChIKey PTBDIHRZYDMNKB-UHFFFAOYSA-N
CAS DataBase Reference 4767-03-7(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances DIMETHYLOLPROPIONIC ACID
FDA UNII 4NHI8V17MN
NIST Chemistry Reference 2,2-Bis(hydroxymethyl)propionic acid(4767-03-7)
EPA Substance Registry System Dimethylolpropionic acid (4767-03-7)
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Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H319
Precautionary statements P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38-36/37
Safety Statements  26-37/39
WGK Germany  3
RTECS  UA2465265
F  3-9
Autoignition Temperature >300 °C
Hazard Note  Irritant
TSCA  Yes
HS Code  29159000
Toxicity LD50 orally in Rabbit: > 2000 mg/kg
NFPA 704:
1
2 0

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