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Merck
CN

44964

密度标准品 692kg/m3

H&D Fitzgerald Ltd. Quality

别名:

2,2,4-三甲基戊烷, 异辛烷

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线性分子式:
(CH3)2CHCH2C(CH3)3
化学文摘社编号:
分子量:
114.23
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
208-759-1
Beilstein/REAXYS Number:
1696876
MDL number:
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产品名称

密度标准品 692kg/m3, H&D Fitzgerald Ltd. Quality

InChI key

NHTMVDHEPJAVLT-UHFFFAOYSA-N

InChI

1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3

SMILES string

CC(C)CC(C)(C)C

grade

analytical standard

vapor density

3.9 (vs air)

vapor pressure

41 mmHg ( 21 °C)

autoignition temp.

745 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

6 %

manufacturer/tradename

H&D Fitzgerald Ltd.

refractive index

n20/D 1.391 (lit.)

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

density

0.692 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
industrial qc
personal care
petroleum
pharmaceutical (small molecule)

format

mixture

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Application

This density CRM is used for the calibration of all types of laboratory density meters in the test temperature range of 10 to 25 °C.

Features and Benefits

  • Manufactured and verified in anISO 17025 accredited laboratory, as per UKAS
  • Carries an associated uncertaintyof +/- 0.010 Kg/m3
  • Provided in a sealed glassampoule of 10 mL to assure safe delivery
  • Accompanied with a certificate of analysis (CoA)having information on the expiry date for an effective audit

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Central nervous system

存储类别

3 - Flammable liquids

wgk

WGK 2

flash_point_f

10.4 °F - closed cup

flash_point_c

-12 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

法规信息

危险化学品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Colloids and surfaces. B, Biointerfaces, 105, 81-86 (2013-01-29)
Choline acetate is an ionic liquid composed of a kosmotropic anion and a chaotropic cation. According to Hofmeister series, a kosmotropic anion and/or a chaotropic cation could stabilize an enzyme, thereby facilitating the retention of the catalytic activity of the
Nibedita Pal et al.
Analytical chemistry, 83(20), 7736-7744 (2011-09-09)
Fluorescence correlation spectroscopy (FCS) is an ideal tool for measuring molecular diffusion and size under extremely dilute conditions. However, the power of FCS has not been utilized to its best to measure diffusion and size parameters of complex chemical systems.
Luciane Batistella et al.
Bioprocess and biosystems engineering, 35(3), 351-358 (2011-07-23)
Both stability and catalytic activity of two commercial immobilized lipases were investigated in the presence of different organic solvents in ultrasound-assisted system. In a general way, for Novozym 435, the use of ethanol as solvent led to a loss of
Yufeng Zhang et al.
Journal of chromatography. A, 1252, 67-73 (2012-07-10)
In this study, a polyethylene Pasteur pipette-based ultrasound-assisted emulsification microextraction (USAEME) applying low-density organic solvent was successfully developed for the extraction of trace levels of organochlorine pesticides (OCPs) in water samples and followed by gas chromatography-mass spectrometry (GC-MS) analysis. In
Swarna Bansal et al.
Journal of hazardous materials, 190(1-3), 45-50 (2011-04-05)
Separation of secondary emulsions of dispersed droplet size less than 10 μm, by means of fibrous medium is a very complex but important process. The study investigates the influence of thin fibrous filter properties, i.e. surface energy, pore size and

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