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34862

Sigma-Aldrich

2,2,4-三甲基戊烷

suitable for HPLC, ≥99%

同義詞:

异辛烷

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About This Item

線性公式:
(CH3)2CHCH2C(CH3)3
CAS號碼:
分子量::
114.23
Beilstein:
1696876
EC號碼:
MDL號碼:
分類程式碼代碼:
41116105
PubChem物質ID:
NACRES:
NA.21
bp:
98-99 °C (lit.)
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等級

HPLC grade

蒸汽密度

3.9 (vs air)

蒸汽壓力

41 mmHg ( 21 °C)

化驗

≥99%

形狀

liquid

自燃溫度

745 °F

expl. lim.

6 %

技術

HPLC: suitable

雜質

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

透射率

210 nm, ≥20%
235 nm, ≥80%
270 nm, ≥98%

折射率

n20/D 1.391 (lit.)

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

密度

0.692 g/mL at 25 °C (lit.)

應用

food and beverages

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)是一种饱和的支链烃。[1]据报道对雄性大鼠有肾毒性。[2]已测定 TMP 在不同温度 (198K-348K) 和压力 (100 mPa) 下的密度和粘度。[1]其已被鉴定为无铅汽油中的肾毒性诱导组分。[3]

應用

2,2,4-三甲基戊烷 (TMP,Isooctane) 被用于在 HPLC 冷蒸气原子荧光光谱法 (HPLC-CVAFS) 定量测定各种生物样品中的甲基汞时分离汞分子。[4]可用于评价 TMP 和环己烷二元混合物的各种物理属性(密度、粘度、折射率和表面张力)。[5]

包裝

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其他說明

重要通知
货号 34862-4X2.5L的产品即将停产。请订购34862-2.5L单瓶装,因为其具体参数与上述产品本质相同。

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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


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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)
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)
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
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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