96499
异丁酸
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
别名:
2-甲基丙酸
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线性分子式:
(CH3)2CHCO2H
化学文摘社编号:
分子量:
88.11
UNSPSC Code:
12352106
NACRES:
NA.24
PubChem Substance ID:
EC Number:
201-195-7
Beilstein/REAXYS Number:
635770
MDL number:
InChI
1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
InChI key
KQNPFQTWMSNSAP-UHFFFAOYSA-N
SMILES string
CC(C)C(O)=O
grade
certified reference material, TraceCERT®
vapor density
3.04 (vs air)
vapor pressure
1.5 mmHg ( 20 °C)
autoignition temp.
824 °F
shelf life
limited shelf life, expiry date on the label
expl. lim.
10 %
manufacturer/tradename
Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
storage condition
under inert gas
technique(s)
gas chromatography (GC): suitable
Quality Level
bp
153-154 °C (lit.)
mp
−47 °C (lit.)
density
0.95 g/mL at 25 °C (lit.)
application(s)
cleaning products
cosmetics
food and beverages
personal care
format
neat
storage temp.
−20°C
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General description
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.
Other Notes
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
Legal Information
TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
hcodes
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
法规信息
危险化学品
此项目有
Tingxu Yan et al.
International journal of biological macromolecules, 144, 427-440 (2019-12-22)
The present study aimed to evaluate the antidepressant-like effect of a polysaccharide (OP), which is isolated from okra (Abelmoschus esculentus (L) Moench), in CUMS-induced mice and its possible mechanisms. OPT, FST and TST were employed to examine the anxiety and
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