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Merck
CN

32291

2,2,4-三甲基戊烷

puriss. p.a., ≥99.5% (GC)

别名:

异辛烷

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关于此项目

线性分子式:
(CH3)2CHCH2C(CH3)3
化学文摘社编号:
540-84-1
分子量:
114.23
UNSPSC Code:
12191502
NACRES:
NA.21
PubChem Substance ID:
329754125
EC Number:
208-759-1
Beilstein/REAXYS Number:
1696876
MDL number:
MFCD00008943
Assay:
≥99.5% (GC)
Technique(s):
GC/GC: suitable
Bp:
98-99 °C (lit.)
Vapor pressure:
41 mmHg ( 21 °C)

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产品名称

2,2,4-三甲基戊烷, puriss. p.a., ≥99.5% (GC)

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

vapor density

3.9 (vs air)

vapor pressure

41 mmHg ( 21 °C)

grade

puriss. p.a.

assay

≥99.5% (GC)

form

liquid

autoignition temp.

745 °F

expl. lim.

6 %

technique(s)

GC/GC: suitable

impurities

≤0.0005% free acid (as CH3COOH)
≤0.001% non-volatile matter
≤0.005% S-compounds (as S)
≤0.01% water (Karl Fischer)

refractive index

n20/D 1.391 (lit.)
n20/D 1.3915-1.3925

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

density

0.692 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

Quality Level

100

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相关类别

Application

2，2，4-三甲基戊烷（TMP，异辛烷）可用于评估TMP和环己烷的二元混合物的各种物理性质（密度，黏度，折射率和表面张力）。

General description

2，2，4-三甲基戊烷（TMP，异辛烷）是饱和的支链烃。据报道对雄性大鼠有肾毒性。研究了TMP在不同温度（198K-348K）和压力（100MPa）下的密度和黏度。它已被确定为无铅汽油中的肾毒性诱导成分。

Other Notes

仅适用于德国：unversteuert
货号 32291-4X2.5L的产品即将停产。请订购物理性质和规格相同的单瓶32291-2.5L。
货号为32291-4X2.5L-M 的产品即将停产。请订购32291-2.5L-M单瓶装，因为其物理参数与上述产品本质相同。

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

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
BCCN7588
BCCN7590
SDBB5116
SDBB5115
SDBB5117

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Physicochemical properties of liquid mixtures. 1. Viscosity, density, surface tension and refractive index of cyclohexane+ 2, 2, 4-trimethylpentane binary liquid systems from 25 C to 50 ?C.
Gomez-Diaz D, et al.
Journal of Chemical and Engineering Data, 46(3), 720-724 (2001)
E A Lock et al.
Toxicology and applied pharmacology, 91(2), 182-192 (1987-11-01)
Trimethylpentane (TMP) produces nephrotoxicity in male but not in female rats. The toxicity is characterized by an increase in protein droplets in proximal convoluted tubular cells and an increase in the renal concentration of the male-rat-specific protein alpha 2u-globulin. Subcellular
B G Short et al.
Toxicologic pathology, 14(2), 194-203 (1986-01-01)
Unleaded gasoline causes acute and chronic nephrotoxicity and renal tumors in male rats, but not female rats or mice of either sex. An active nephrotoxic component of unleaded gasoline has been identified as 2,2,4-trimethylpentane (TMP). The first objective of this
Density and viscosity measurements of 2, 2, 4-trimethylpentane (isooctane) from 198 K to 348 K and up to 100 MPa.
Padua AAH, et al.
Journal of Chemical and Engineering Data, 41(6), 1488-1494 (1996)
Luyan Xue et al.
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
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