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Merck

32291

Sigma-Aldrich

2,2,4-三甲基戊烷

puriss. p.a., ≥99.5% (GC)

别名:

异辛烷

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About This Item

线性分子式:
(CH3)2CHCH2C(CH3)3
CAS号:
分子量:
114.23
Beilstein:
1696876
EC號碼:
MDL號碼:
分類程式碼代碼:
12191502
PubChem物質ID:
NACRES:
NA.21
bp:
98-99 °C (lit.)

蒸汽密度

3.9 (vs air)

蒸汽壓力

41 mmHg ( 21 °C)

等級

puriss. p.a.

化驗

≥99.5% (GC)

形狀

liquid

自燃溫度

745 °F

expl. lim.

6 %

技術

GC/GC: suitable

雜質

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

折射率

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

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

密度

0.692 g/mL at 25 °C (lit.)

正離子痕跡

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

SMILES 字串

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

InChI

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

InChI 密鑰

NHTMVDHEPJAVLT-UHFFFAOYSA-N

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一般說明

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。

應用

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)。

其他說明

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。
仅适用于德国:unversteuert

訊號詞

Danger

危險分類

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

標靶器官

Central nervous system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

10.4 °F - closed cup

閃點(°C)

-12 °C - closed cup


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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)
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)
Kyung Min Park et al.
Food chemistry, 138(2-3), 733-738 (2013-02-16)
In this study, we investigated the possibility of reversed micelles, widely used as an enzyme reactor for lipases, for the determination of lipoxygenase activity. Although it is rapid and simple, reversed micelles have some limitations, such as interference by UV-absorbing

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