n-Heptane, GC ultra-trace analysis grade

CAS: 142-82-5

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Characteristic
Volume : x 1 l

- Synonyms: n-Dipropylmethane, n-Heptylhydride
- C7H16
- M = 100,21 g/mol
- CAS [142-82-5]
- EINECS-No.: 205-563-8
- Density: 0,68 g/cm3
- Solub. in water: (20 ºC): almost non-miscible
- Melting point: -90,6 ºC
- Boiling point: 98,4 ºC
- Flash pt. -4 ºC
- Ignition temp.: 215 ºC
- Vapour pressure: (20 ºC) 48 hPa
- Refraction index: (n 20 ºC/D) 1,3876
- Dielectric const.: (20 ºC) 1,9
- LD 50 (oral, rat): > 15000 mg/kg
- EC-Index-No.: 601-008-00-2
- ADR: 3 F1 II UN 1206
- IMDG: 3 II UN 1206
- IATA/ICAO: 3 II UN 1206
- GHS-signal word: Danger
- GHS-H sentences: H225 - H304 - H315 - H336 - H400 - H410
- GHS-P sentences: P210 - P301+P310 - P303+P361+P353 - P370+P378 - P405 - P501a
- Tariff number: 2901 10 00 00
- Applications: analytical chemistry, as gasoline additive.

SPECIFICATIONS
assay (G.C): min. 99,3 %
identity ( IR-spectrum): passes test
density (20º/4º): 0,683 - 0,685
residue on evaporation: max. 0,0001 %
water (K.F.) : max. 0,01 %

Suitable for organohalogenated pesticide and dioxins, furans and PCBs residue analysis ECD, from 1,2,4-trichlorobenzene to decachlorobiphenyl, no peaks are obtained greater than 2 pg/ml as lindane. No peaks are obtained in vicinity of 2,4,5-trichlorobiphenyl. Suitable for highly volatile halogenated hydrocarbons trace analysis. ECD, from dichloromethane to 1,2,4-trichlorobenzene, no peaks are obtained greater than 1 ng/ml as tetrachloromethane.

Suitable for pesticide and polycyclic aromatic hydrocarbons residue analysis. FID, from 1-octanol to 1-tetradecanol, no peaks are obtained greater than 2 ng/ml as 1-tetradecanol. No peaks are obtained in vicinity of pyrene.