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2-Methylnaphthalene

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Origin: China

Cas No: 91-57-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 91-57-6 Formula: C11H10 Molecular Weight: 142.19700

Description

2-Methylnaphthalene is a polycyclic aromatic hydrocarbon (PAH). Several enzyme biodegrate 2-Naphthalene in anaerobic condition. ; On February 22, 2014, NASA announced a greatly upgraded database for detecting and monitoring PAHs, including 2-Methylnaphthalene, in the universe. According to NASA scientists, over 20% of the carbon in the universe may be associated with PAHs, possible starting materials for the formation of life. PAHs seem to have been formed shortly after the Big Bang, are abundant in the universe, and are associated with new stars and exoplanets.

Basic Info

Chemical Name	2-Methylnaphthalene
Synonyms	NAPHTHALENE, 2-METHYL-; beta-Methylnaphthalene;
CAS No.	91-57-6
Molecular Formula	C11H10
Molecular Weight	142.19700
PSA	0.00000
LogP	3.14820

Properties

Appearance & Physical State	solid
Density	1.01
Boiling Point	241-242ºC
Melting Point	32-36ºC
Freezing Point	34.5℃
Flash Point	97ºC
Refractive Index	1.6019
Water Solubility	0.00246 g/100 mL
Stability	Stable. Incompatible with strong oxidizing agents.
Storage Condition	2-8ºC

Safety Info

RTECS	QJ9635000
Hazard Class	9
Safety Statements	S61
HS Code	29029080
WGK Germany	2
Packing Group	III
RIDADR	UN 3077
Risk Statements	R22; R51/53
Hazard Codes	Xn; N

Synthesis Route

1-adamantyl 2-naphthylmethyl sulfide→adamantane-1-thiol+2-Methylnaphthalene
tetrahydro-2-[[3-(2-ethynylphenyl)-2-propyn-1-yl]oxy]-2H-pyran→5-valerolactone+2-Methylnaphthalene
3-(2-naphthylmethoxy)-3-bromoaziridine→2-(Bromomethyl)naphthalene+2-Methylnaphthalene

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - rat	1630 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Intraperitoneal	LDLo - Lowest published lethal dose	Rodent - mouse	1 gm/kg	1.Lungs, Thorax, or Respiration-structural or functional change in trachea or bronchi 2.Lungs, Thorax, or Respiration-other changes
Oral	TDLo - Lowest published toxic dose	Rodent - mouse	28500 mg/kg/81W-C	1.Tumorigenic-equivocal tumorigenic agent by RTECS criteria 2.Lungs, Thorax, or Respiration-tumors