PHR1312
邻二甲苯
Pharmaceutical Secondary Standard; Certified Reference Material
别名:
1,2-二甲苯
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线性分子式:
C6H4(CH3)2
化学文摘社编号:
分子量:
106.17
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
202-422-2
Beilstein/REAXYS Number:
1815558
MDL number:
InChI
1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3
SMILES string
Cc1ccccc1C
InChI key
CTQNGGLPUBDAKN-UHFFFAOYSA-N
grade
certified reference material, pharmaceutical secondary standard
agency
traceable to NIST 3003, traceable to USP 1601849
vapor density
3.7 (vs air)
vapor pressure
<0.1 atm ( 21.1 °C), 16 mmHg ( 37.7 °C), 7 mmHg ( 20 °C)
CofA
current certificate can be downloaded
autoignition temp.
867 °F
expl. lim.
7 %
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
Quality Level
mp
-26--23 °C (lit.)
density
0.879 g/mL at 20 °C (lit.)
application(s)
pharmaceutical (small molecule)
format
neat
storage temp.
2-30°C
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General description
o-Xylene is a nonoxygenated, homocyclic aromatic compound that occurs as a constituent of petroleum. It belongs to the class of volatile organic compounds (VOCs) having vapor pressure high enough to vaporize under normal conditions and enter into the atmosphere. It is found to be relatively water-soluble and suspected to have carcinogenic properties.
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.
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.
Application
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.
Analysis Note
These secondary standards offer multi-traceability to the US and EP primary standards, where they are available.
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.
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.
To see an example of a Certificate of Analysis for this material enter LRAB8972 in the slot below. This is an example certificate only and may not be the lot that you receive.
signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
3 - Flammable liquids
wgk
WGK 2
flash_point_f
89.6 °F - closed cup
flash_point_c
32.0 °C - closed cup
法规信息
危险化学品
此项目有
Anaerobic degradation of toluene and o-xylene by a methanogenic consortium.
Edwards EA and Grbic-Galic D
Applied and Environmental Microbiology, 60(1), 313-322 (1994)
Separation and determination of benzene, toluene, ethylbenzene and o-xylene compounds in water using directly suspended droplet microextraction coupled with gas chromatography-flame ionization detector.
Sarafraz-Yazdi, et al.
Talanta, 78(3), 936-941 (2009)
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