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????(1,2)

????(1,2)
????(1,2) ??? ???
?? ??:
584-03-2
???:
????(1,2)
???(??):
????(1,2);???-1,2-???;1,2-?????;1,2-??????;1,2-?????????;1,2-??? ???
???:
1,2-BUTANEDIOL
???(??):
butane-1,2-diol;1,2-Butanediol,98%;NSC 24242;BDO Liquid;1,2-BUTANEDIOL;DL-1,2-Butanediol;1,2-Butanediol >BDO 1,2-BUTANEDIOL;1,2-DIHYDROXYBUTANE;1,2-BUTYLENE GLYCOL
CBNumber:
CB1664951
???:
C4H10O2
??? ??:
90.12
MOL ??:
584-03-2.mol
MSDS ??:
SDS

????(1,2) ??

???
-50 °C
??
-0.2~+0.2°(20℃/D)(neat)
?? ?
191-192 °C/747 mmHg (lit.)
??
1.006 g/mL at 25 °C (lit.)
???
10-2130Pa at 20℃
???
n20/D 1.438(lit.)
???
200 °F
?? ??
Storage temp. 2-8°C
??? ??
??? ??
?? ?? (pKa)
14.49±0.20(Predicted)
??
??~???
???
100-1000g/L at 25℃
BRN
969169
Henry's Law Constant
2.1×103 mol/(m3Pa) at 25℃, Burkholder et al. (2019)
??? ?? ??
SOLVENT
SKIN CONDITIONING
HUMECTANT
VISCOSITY CONTROLLING
?? ?? ??
1,2-BUTANEDIOL (584-03-2)
InChI
1S/C4H10O2/c1-2-4(6)3-5/h4-6H,2-3H2,1H3
InChIKey
BMRWNKZVCUKKSR-UHFFFAOYSA-N
SMILES
CCC(O)CO
LogP
-0.34-0.3 at 25℃
CAS ??????
584-03-2(CAS DataBase Reference)
EPA
1,2-Butanediol (584-03-2)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????? 24/25
????(UN No.) 1993
WGK ?? 2
RTECS ?? EK0380000
TSCA TSCA listed
?? ?? 3
???? III
HS ?? 29053995
???? ??? 10 - Combustible liquids
Hazard Classifications Eye Irrit. 2
?? ?? ??? 584-03-2(Hazardous Substances Data)
???? ?? KE-03786
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P337+P313 ?? ?? ??? ???? ???? ??· ??? ????.
NFPA 704
2
0

????(1,2) C??? ??, ??, ??

??? ??

clear colorless liquid

??

1,2-Butanediol was used in the synthesis of (R)-2-hydroxybutyric acid.

??

ChEBI: A butanediol in which the two hydroxy groups are located at positions 1 and 2.

Safety Profile

Moderately toxic by ingestion. Combustible when exposed to heat or flame. To fight fire, use alcohol foam. When heated to decomposition it emits acrid and irritating fumes.

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