



Heptane (mixture of isomers) ≥99% (by GC), ChromAR® for liquid chromatography, for UV spectrophotometry, Macron Fine Chemicals™
Supplier: MACRON AVANTOR BRAND
Certificates
About this item
CAS Number:142-82-5
:
Formula:H₃C(CH₂)₅CH₃
MDL Number:MFCD00009544
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
UN:1206
ADR:3,II
:100.2 g/mol
EINECS:205-563-8
:GHS02
:GHS08
:GHS07
:GHS09
Storage Temperature:Ambient
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Specification Test Results
- 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