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Merck
CN

PHR3874

Isobutyric acid

certified reference material, pharmaceutical secondary standard

Synonym(s):

2-Methylpropionic acid

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About This Item

Linear Formula:
(CH3)2CHCO2H
CAS Number:
Molecular Weight:
88.11
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
635770
MDL number:
NACRES:
NA.24
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Quality Level

grade

certified reference material, pharmaceutical secondary standard

vapor density

3.04 (vs air)

vapor pressure

1.5 mmHg ( 20 °C)

autoignition temp.

824 °F

expl. lim.

10 %

packaging

pkg of 500MG

bp

153-154 °C (lit.)

mp

−47 °C (lit.)

density

0.95 g/mL at 25 °C (lit.)

application(s)

pharmaceutical

storage temp.

2-8°C

SMILES string

CC(C)C(O)=O

InChI

1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)

InChI key

KQNPFQTWMSNSAP-UHFFFAOYSA-N

General description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.


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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

危险化学品

This item has



Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Global Trade Item Number

SKUGTIN
PHR3874-500MG04065270452450