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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 号:
MDL编号:
UNSPSC代码:
41116105
PubChem化学物质编号:
NACRES:
NA.21
方案:
≥99%
技术:
HPLC: suitable
应用:
food and beverages
沸点:
98-99 °C (lit.)
蒸汽压:
41 mmHg ( 21 °C)
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蒸汽密度
3.9 (vs air)
质量水平
蒸汽压
41 mmHg ( 21 °C)
方案
≥99%
表单
liquid
自燃温度
745 °F
expl. lim.
6 %
技术
HPLC: suitable
杂质
≤0.0005% non-volatile matter
≤0.001% free acid (as CH3COOH)
≤0.01% water (Karl Fischer)
透射比
210 nm, ≥20%
235 nm, ≥80%
270 nm, ≥98%
折射率
n20/D 1.391 (lit.)
沸点
98-99 °C (lit.)
mp
−107 °C (lit.)
密度
0.692 g/mL at 25 °C (lit.)
应用
food and beverages
SMILES字符串
CC(C)CC(C)(C)C
InChI
1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3
InChI key
NHTMVDHEPJAVLT-UHFFFAOYSA-N
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一般描述
2,2,4-三甲基戊烷（TMP，异辛烷）是一种饱和的支链烃。据报道对雄性大鼠有肾毒性。已测定 TMP 在不同温度 (198K-348K) 和压力 (100 mPa) 下的密度和粘度。其已被鉴定为无铅汽油中的肾毒性诱导组分。
应用
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。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）。
其他说明
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。
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。
警示用语：
Danger
危险分类
Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Central nervous system
储存分类代码
3 - Flammable liquids
WGK
WGK 2
闪点(°F)
10.4 °F - closed cup
闪点(°C)
-12 °C - closed cup
法规信息
危险化学品
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
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
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)
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
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