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n-Heptane 98.5% AR Grade Reagent

Cas Number: 142-82-5
Formula: C7H16
Molar Mass: 100.2
EC Number: 205-563-8

Quantity:
  • AR
  • LABOR
  • 133302104

n-Heptane 98.5% AR Grade Reagent


Cas Number: 142-82-5

Formula: C7H16

Molar Mass: 100.2

EC Number: 205-563-8


Physicochemical properties:

Colorless transparent liquid. volatile. No fluorescence. Sensitive to the air. Soluble in ethanol, acetone, benzene, ether and chloroform, insoluble in water. The relative density (d204) is 0.684. The melting point is - 90.7 ° C. The boiling point is 98.4 °C. The refractive index (n25D)is 1.3855. The flash point (closed cup) is -4 °C. Combustible. The median lethal dose (mouse, vein) is 222 mg/kg.


Usage:

Biochemical research, protein sequence analysis. Determination of ozone and triglyceride. Analysis of pesticide residues. Spectroscopy, fluorescence analysis. A standard fuel for determining the antiknock performance of gasoline.


Packing:

500ml/25L/200L






Item of Analysis

Standard

Assay,%

98.5 min

Density(20),g/ml

0.683~0.685

Refractive index,n20/D

1.387~1.388

Evaporating leavings,%

0.005 max

Unsaturated compound(as Br),%

0.01 max

Moisture,%

0.05 max

Really carbonized substances

to pass test


Symbol 

Signal word 

Danger

Hazard statement

H225


H304


H315


H336


H410

Precautionary statements—Prevention

P210


P233


P240


P241


P242


P243


P261


P264


P271


P273


P280

Precautionary statements—Response

P301+P310


P303+P361+P353


P304+P340+P312


P331


P332+P313


P370+P378


P391

Precautionary statements—Storage

P403+P233


P403+P235


P405

UN No.

1206

Hazard Class

3

Package Group

II

Flashpoint

-4°C

Boiling point

98.4°C

Melting point

-90.7°C



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