1-Methylnaphthalene

Modify Date: 2025-08-21 14:48:48

1-Methylnaphthalene structure	Common Name	1-Methylnaphthalene
	CAS Number	90-12-0	Molecular Weight	142.197
	Density	1.0±0.1 g/cm3	Boiling Point	242.8±3.0 °C at 760 mmHg
	Molecular Formula	C₁₁H₁₀	Melting Point	-22ºC
	MSDS	Chinese USA	Flash Point	82.2±0.0 °C
	Symbol	GHS07, GHS09	Signal Word	Warning

Name	1-methylnaphthalene
Synonym	More Synonyms

Density	1.0±0.1 g/cm3
Boiling Point	242.8±3.0 °C at 760 mmHg
Melting Point	-22ºC
Molecular Formula	C₁₁H₁₀
Molecular Weight	142.197
Flash Point	82.2±0.0 °C
Exact Mass	142.078247
LogP	3.91
Vapour Pressure	0.1±0.2 mmHg at 25°C
Index of Refraction	1.617
Stability	Stable. Combustible. Incompatible with strong oxidizing agents, oxygen.
Water Solubility	0.026 g/L (25 ºC)

1-Methylnaphthalene MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ9630000

CHEMICAL NAME :: Naphthalene, 1-methyl-

CAS REGISTRY NUMBER :: 90-12-0

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C11-H10

MOLECULAR WEIGHT :: 142.21

WISWESSER LINE NOTATION :: L66J B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1840 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Human Lymphocyte

DOSE/DURATION :: 250 umol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 208,155,1988 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 20 mg/m3 JAN 1993

Symbol	GHS07, GHS09
Signal Word	Warning
Hazard Statements	H302-H411
Precautionary Statements	P273-P301 + P312 + P330-P391-P501
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn:Harmful
Risk Phrases	R22;R51/53
Safety Phrases	S61
RIDADR	UN 3082
WGK Germany	2
RTECS	QJ9630000
Packaging Group	III
Hazard Class	9.0
HS Code	29029080

Precursor 9
CAS#:85924-73-8 (1H-cyclobuta[d... CAS#:87306-73-8 2-methyl-2-((na... CAS#:90-11-9 1-Bromonaphthalene CAS#:60228-61-7 [[[[bis(trimeth...
CAS#:86-53-3 1-Cyanonaphthalene CAS#:86-86-2 2-(1-Naphthyl)a... CAS#:86-52-2 1-Chloromethyl ... CAS#:3163-27-7 1-(Brommethyl)n...
CAS#:66-77-3 naphthal
DownStream 10
CAS#:3243-42-3 3-(1-Naphthyl)p... CAS#:36062-93-8 4-Methyl-1-naph... CAS#:33738-48-6 4-Methyl-1-naph... CAS#:35699-45-7 1-Methylnaphtha...
CAS#:4488-40-8 4-Methyl-1-naph... CAS#:110-82-7 cyclohexane CAS#:583-57-3 1,2-DIMETHYLCYC... CAS#:4923-77-7 CIS-1-ETHYL-2-M...
CAS#:306-92-3 perfluoro(methy... CAS#:3232-84-6 urazole

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

QSPR modeling of octanol/water partition coefficient for vitamins by optimal descriptors calculated with SMILES.

Eur. J. Med. Chem. 43 , 714-40, (2008)

Simplified molecular input line entry system (SMILES) has been utilized in constructing quantitative structure-property relationships (QSPR) for octanol/water partition coefficient of vitamins and org...

Optimization of a large-volume injection method for compound-specific isotope analysis of polycyclic aromatic compounds at trace concentrations.

Rapid Commun. Mass Spectrom. 29 , 2349-60, (2015)

Compound-specific isotope analysis (CSIA) of persistent organic contaminants can be used for source apportioning in the environment if appropriate sensitivity can be achieved. This paper describes the...

Influence of solvent, electron acceptors and arenes on photochemical decarboxylation of free carboxylic acids via single electron transfer (SET).

Molecules 15(4) , 2623-30, (2010)

Single electron transfer (SET)-photochemical decarboxylation of free carboxylic acids was performed in a polar solvent using several arenes such as phenanthrene, naphthalene, 1-methylnaphthalene, biph...

Naphthalene, 1-methyl-

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-Methylnaphthalene
Price: Check
Purity: 98.0%
Delivery: 10 Day
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1-Methylnaphthalene
Price: ￥58.0/25g ￥108.0/100g ￥288.0/500g ￥898.0/500g
Purity: 96.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Methylnaphthalene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: TIANFU-CHEM CAS:90-12-0 1-Methylnaphthalene
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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1-Methylnaphthalene

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