Heptane (mixture of isomers) ≥99% (by GC), ChromAR® for liquid chromatography, for UV spectrophotometry, Macron Fine Chemicals™

CAS Number:142-82-5

Formula:H₃C(CH₂)₅CH₃

MDL Number:MFCD00009544

:100.2 g/mol

Merck Index:13,04679

Boiling Pt:97…98 °C (1013 hPa)

Melting Pt:–90,5 °C

Density:0,68 g/cm³ (20 °C)

Flash Pt:–4 °C

EINECS:205-563-8

UN:1206

ADR:3,II

:GHS02

:GHS08

:GHS07

:GHS09

Storage Temperature:Ambient

Specifications

For Laboratory,Research,or Manufacturing Use:
≥99%
ACS - Assay (sum of n-C₇H₁₆ and other C₇ hydrocarbons)(by GC, corrected for water):
≥99 %
ACS - Assay (CH₃(CH₂)₅CH₃) (by GC, corrected for water):
≥96 %
ACS - Acidity (as CH₃COOH):
Passes Test
ACS - Residue after Evaporation:
≤0.0003 %
ACS - Water (H₂O):
≤0.02 %
Ultraviolet Absorbance (1.00-cm cell vs. water) - 197 nm:
≤1.00
Ultraviolet Absorbance (1.00-cm cell vs. water) - 210 nm:
≤0.40
Ultraviolet Absorbance (1.00-cm cell vs. water) - 225 nm:
≤0.10
Ultraviolet Absorbance (1.00-cm cell vs. water) - 254 nm:
≤0.01
Ultraviolet Absorbance (1.00-cm cell vs. water) - 280 nm:
≤0.01