PHR3874

Isobutyric acid

certified reference material, pharmaceutical secondary standard

• Synonym(s): 2-Methylpropionic acid
• Linear Formula: (CH₃)₂CHCO₂H
• CAS Number: 79-31-2
• Molecular Weight: 88.11
• Beilstein/REAXYS Number: 635770
• MDL number: MFCD00002658
• UNSPSC Code: 41116107

Properties

• grade: certified reference material; pharmaceutical secondary standard
• Quality Level: 300
• vapor density: 3.04 (vs air)
• vapor pressure: 1.5 mmHg ( 20 °C)
• autoignition temp.: 824 °F
• expl. lim.: 10 %
• packaging: pkg of 500MG
• refractive index: n20/D 1.393 (lit.)
• 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

Description

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.

Safety Information

• pictograms: GHS02,GHS06,GHS05
• signalword: Danger
• hcodes: H226,H302,H311,H314
• pcodes: P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• 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_germany: WGK 1
• flash_point_f: 131.0 °F - closed cup
• flash_point_c: 55 °C - closed cup