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Heptane CAS# 142-82-5

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Chemical Name：Heptane

CAS No.: 142-82-5

Molecular Formula：C7H16

Molecular weight:100.2

Sample: Available

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Product Details

Heptane CAS# 142-82-5

N-Heptane is a flammable liquid, current in crude oil and extensively used in the auto- cell industry. For example, as a solvent, as a fuel knock trying out standard, as automobile starter fl uid, and paraffi nic naphtha. n-Heptane motives unfavourable fitness results in occupational workers, such as CNS depression, skin irritation, and pain. Other compounds such as n-octane (CH three (CH two ) 6 CH three ), n-nonane (CH three (CH two ) 7 CH three ), and n-

decane (CH three (CH two ) eight CH three ) have unique industrial applications. Occupational employees uncovered to these compounds additionally exhibit unfavorable fitness effects. In principle, manage- ment of these aliphatic compounds requires suited dealing with and disposal to keep away from fitness issues and to preserve chemical protection requirements for security to people and the residing environment.

Heptane CAS# 142-82-5

Heptane Chemical Properties

Melting point	−91 °C(lit.)
Boiling point	98 °C(lit.)
density	0.684 g/mL at 20 °C
vapor density	3.5 (vs air)
vapor pressure	40 mm Hg ( 20 °C)
refractive index	n20/D 1.397
Fp	30 °F
storage temp.	Store at +5°C to +30°C.
solubility	acetone: miscible(lit.)
form	Liquid
pka	>14 (Schwarzenbach et al., 1993)
Specific Gravity	0.684 (20/4℃)
color	≤10(APHA)
Relative polarity	0.012
Odor	Gasoline.
Odor Threshold	0.67ppm
explosive limit	1-7%(V)
Water Solubility	practically insoluble
λmax	λ: 200 nm Amax: ≤1.0 λ: 225 nm Amax: ≤0.10 λ: 250 nm Amax: ≤0.01 λ: 300-400 nm Amax: ≤0.005
Merck	14,4659
BRN	1730763
Henry's Law Constant	0.901, 1.195, and 1.905(atm?m3/mol) at 26.0, 35.8, and 45.0 °C, respectively (dynamic headspace, Hansen et al., 1995)
Exposure limits	NIOSH REL: TWA 85 ppm (350 mg/m3), 15-min ceiling 440 ppm (1,800 mg/m3), IDLH 750 ppm; OSHA PEL: TWA 500 ppm (2,000 mg/m3); ACGIH TLV: TWA 400 ppm, STEL 500 ppm (adopted).
Dielectric constant	1.9（20℃）
Stability:	Stable. Incompatible with oxidizing agents, chlorine, phosphorus. Highly flammable. Readily forms explosive mixtures with air.
InChIKey	IMNFDUFMRHMDMM-UHFFFAOYSA-N
LogP	4.660
CAS DataBase Reference	142-82-5(CAS DataBase Reference)
NIST Chemistry Reference	Heptane(142-82-5)
EPA Substance Registry System	Heptane (142-82-5)
Absorption	0.10 at 225nm 0.40 at 210nm 1.0 at 197nm

Safety Information

Hazard Codes	F,Xn,N
Risk Statements	11-38-50/53-65-67
Safety Statements	9-16-29-33-60-61-62-23
RIDADR	UN 1206 3/PG 2
OEB	A
OEL	TWA: 85 ppm (350 mg/m3), Ceiling: 440 ppm (1800 mg/m3) [15-minute]
WGK Germany	3
RTECS	MI7700000
F	3-10
Autoignition Temperature	433 °F
TSCA	Yes
HazardClass	3
PackingGroup	II
HS Code	29011000
Hazardous Substances Data	142-82-5(Hazardous Substances Data)
Toxicity	LC (2 hr in air) in mice: 75 mg/l (Lazarew)
IDLA	750 ppm

Product Usage

As a solvent: it is a in many instances used natural solvent, extensively used in coatings, inks, adhesives and different industries, for dissolving resins, rubber and different substances, to assist the coating film, ink switch and adhesive coating process. In the laboratory, it is additionally an necessary extraction solvent, which can be used to extract precise compounds from mixtures, such as oils from plants, spices, etc.
As a chemical uncooked material: is an vital uncooked fabric for the manufacturing of different natural compounds, can be used to put together heptene, heptanol and different natural intermediates, these intermediates are similarly used in the manufacturing of plastics, rubber, surfactants, spices and different first-class chemical products.

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