8.00472
Isobutyric acid
for synthesis
别名:
Isobutyric acid, 2-Methylpropionic acid
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关于此项目
线性分子式:
(CH3)2CHCOOH
化学文摘社编号:
分子量:
88.11
UNSPSC Code:
12352106
EC Index Number:
201-195-7
NACRES:
NA.22
MDL number:
Assay:
≥99.0% (GC)
Form:
liquid
vapor pressure
2 hPa ( 20 °C)
Quality Segment
assay
≥99.0% (GC)
form
liquid
autoignition temp.
455 °C
potency
266 mg/kg LD50, oral (Rat), 475 mg/kg LD50, skin (Rabbit)
expl. lim.
1.6-7.3 % (v/v)
pH
2.3 (25 °C, 500 g/L in H2O)
mp
-46 °C
transition temp
flash point 62 °C
solubility
618 g/L
density
0.95 g/cm3 at 20 °C
storage temp.
2-30°C
SMILES string
OC(=O)C(C)C
InChI
1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
InChI key
KQNPFQTWMSNSAP-UHFFFAOYSA-N
Analysis Note
Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.947 - 0.949
Water (K. F.): ≤ 0.20 %
Identity (IR): passes test
Density (d 20 °C/ 4 °C): 0.947 - 0.949
Water (K. F.): ≤ 0.20 %
Identity (IR): passes test
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Danger
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
131.0 °F - closed cup
flash_point_c
55 °C - closed cup
