8.00472
Isobutyric acid
for synthesis
Synonym(s):
Isobutyric acid, 2-Methylpropionic acid
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About This Item
vapor pressure
2 hPa ( 20 °C)
Quality Level
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
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
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
131.0 °F - closed cup
flash_point_c
55 °C - closed cup
Regulatory Information
This item has
Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 8004721000 | 04022536359663 |
| 8004720100 | 04022536359649 |