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1-Methylnaphthalene

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Origin: China

Cas No: 90-12-0

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

Quick Details
CAS No.:
90-12-0
Other Names:
alpha-Methylnaphthalene
MF:
C11H10, C11H10
EINECS No.:
90-12-0
Place of Origin:
China
Type:
Pharmaceutical Intermediates
Purity:
99%
Brand Name:
GSK
Model Number:
90-12-0
Application:
Chemical
Appearance:
Clear colorless to yellow Liquid
Product name:
Naphthalene, 1-methyl-
CAS:
90-12-0
MW:
142.2 g/mol
Density:
1.001 g/mL at 25 °C(lit.)
Melting point:
-22 °C(lit.)
Boiling point:
240-243 °C(lit.)
Certification:
ISO9001
Sample:
Availiable
MOQ:
1 Kg
Packaging&Delivery
Packaging Details
1-5kg: Aluminum Foil outside with plastic bag inside;
5kg-25kg: Cardboard boxes outside with plastic bag inside;
25kg and more: Cardboard drum outside with Aluminum and plastic bag inside;
Also be packed at customers' requirements.
Port
any port
Lead Time:
Quantity(Kilograms) 1 - 25 >25
Est. Time(days) 3 To be negotiated

Property

CAS No.: 90-12-0 Formula: C11H10 Molecular Weight: 142.19700

Description

1-Methylnaphthalene is a polycyclic aromatic hydrocarbon (PAH). It has a cetane number of zero, and was previously used as the lower reference for cetane number. However, due to the expense and handling difficulty of 1-methylnaphthalene, it was replaced in this capacity by isocetane, with a CN of 15.
On February 22, 2014, NASA announced a greatly upgraded database for detecting and monitoring PAHs, including 1-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	1-Methylnaphthalene
Synonyms	Methyl-Naphthalene; Alpha-Methylnaphthalene; Naphthalene, 1-methyl-; 1-Methylnaphthene; 1-Methyl-Naphthalene; α-Methylnaphthalene; Methyl-1-Naphthalene; 1-Methylnaphthalene; FEMA 3193;
CAS No.	90-12-0
Molecular Formula	C11H10
Molecular Weight	142.19700
PSA	0.00000
LogP	3.14820

Properties

Appearance & Physical State	ear colorless to light yellow liquid
Density	1.025
Boiling Point	240-243ºC
Melting Point	-22ºC
Flash Point	82ºC
Refractive Index	1.613-1.616
Stability	Stable. Combustible. Incompatible with strong oxidizing agents, oxygen.
Storage Condition	2-8ºC

Safety Info

Safety Statements	S61
HS Code	29029080
Packing Group	III
RIDADR	UN 3082
Risk Statements	R22; R51/53
Hazard Codes	Xn

Synthesis Route

→inden-1-one+2-ETHYNYLBENZALDEHYDE
Methanol+Benzoic acid, 4-methoxy-, 1-naphthalenylmethyl ester→1,2-BIS(1-NAPHTHYL)ETHANE+1-(methoxymethyl)naphthalene
1-Chloromethyl naphthalene+Benzylamine→N-(naphthalen-1-ylmethyl)-1-phenylmethanamine+1-Methylnaphthalene

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - rat	1840 mg/kg	1.Details of toxic effects not reported other than lethal dose value
-	Mutation in microorganisms	-	6 mmol/L/2H	-
-	Sister chromatid exchange	-	250 umol/L	-

Precursor

(1H-cyclobuta[de]naphthalen-1-yl)lithium
[[[[bis(trimethylsilyl)amino]-iodo-methylstannyl]-trimethylsilylamino]-dimethylsilyl]methane
5-(2'-bromophenyl)-1,2-pentadiene
1-Bromonaphthalene

Downstream Product

1-methylnaphthalene-2-carbaldehyde
4-Methyl-1-naphthoic acid
3-naphthalen-1-ylpropanoic acid
1-Cyano-4-methylnaphthalene

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