2-Methylnaphthalene

Modify Date: 2025-08-21 18:11:11

2-Methylnaphthalene structure	Common Name	2-Methylnaphthalene
	CAS Number	91-57-6	Molecular Weight	142.197
	Density	1.0±0.1 g/cm3	Boiling Point	239.9±3.0 °C at 760 mmHg
	Molecular Formula	C₁₁H₁₀	Melting Point	34-36 °C(lit.)
	MSDS	Chinese USA	Flash Point	97.8±0.0 °C
	Symbol	GHS02, GHS06, GHS08	Signal Word	Danger

Name	2-methylnaphthalene
Synonym	More Synonyms

Density	1.0±0.1 g/cm3
Boiling Point	239.9±3.0 °C at 760 mmHg
Melting Point	34-36 °C(lit.)
Molecular Formula	C₁₁H₁₀
Molecular Weight	142.197
Flash Point	97.8±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. Incompatible with strong oxidizing agents.
Water Solubility	0.00246 g/100 mL
Freezing Point	34.5℃

2-Methylnaphthalene MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ9635000

CHEMICAL NAME :: Naphthalene, 2-methyl-

CAS REGISTRY NUMBER :: 91-57-6

LAST UPDATED :: 199801

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C11-H10

MOLECULAR WEIGHT :: 142.21

WISWESSER LINE NOTATION :: L66J C1

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 :: 1630 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 28500 mg/kg/81W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors

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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1659 No. of Facilities: 633 (estimated) No. of Industries: 10 No. of Occupations: 15 No. of Employees: 3498 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1659 No. of Facilities: 376 (estimated) No. of Industries: 5 No. of Occupations: 5 No. of Employees: 4359 (estimated) No. of Female Employees: 1608 (estimated)

Symbol	GHS02, GHS06, GHS08
Signal Word	Danger
Hazard Statements	H225-H301 + H311 + H331-H370
Precautionary Statements	P210-P260-P280-P301 + P310-P311
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;N:Dangerousfortheenvironment;
Risk Phrases	R22;R51/53
Safety Phrases	S26-S37/39-S61-S36/37-S24/25-S23-S53
RIDADR	UN 3077 9/PG 3
WGK Germany	2
RTECS	QJ9635000
Packaging Group	III
Hazard Class	9
HS Code	29029080

Precursor 10
CAS#:90-11-9 1-Bromonaphthalene CAS#:917-54-4 METHYLLITHIUM CAS#:1592-38-7 2-Naphthaleneme... CAS#:201230-82-2 carbon monoxide
CAS#:114078-26-1 3-(2-phenylethe... CAS#:66-99-9 2-Naphthaldehyde CAS#:939-26-4 2-(brommethyl)n... CAS#:18081-08-8 (2-Naphtyloxy)t...
CAS#:75-16-1 METHYLMAGNESIUM... CAS#:2586-62-1 1-Bromo-2-methy...
DownStream 10
CAS#:10546-24-4 2-Naphthalenami... CAS#:108011-98-9 4-(6-methylnapt... CAS#:110876-52-3 2-Methyl-1,2'-d... CAS#:4316-23-8 4-Methylphthali...
CAS#:528-44-9 Trimellitic acid CAS#:66-99-9 2-Naphthaldehyde CAS#:88-99-3 Phthalic acid CAS#:65-85-0 benzoic acid
CAS#:93-09-4 2-Naphthoic acid CAS#:35699-44-6 2-METHYL-1-NAPH...

HS Code	29029080

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...

Quantitative structure-activity relationship analysis of inhibitors of the nicotine metabolizing CYP2A6 enzyme.

J. Med. Chem. 48 , 440-9, (2005)

The purpose of this study was to develop screening and in silico modeling methods to obtain accurate information on the active center of CYP2A6, a nicotine oxidizing enzyme. The inhibitory potencies o...

Exploring QSAR and QAAR for inhibitors of cytochrome P450 2A6 and 2A5 enzymes using GFA and G/PLS techniques

Eur. J. Med. Chem. 44 , 1941-51, (2009)

A series of naphthalene and non-naphthalene derivatives ( n = 42) having cytochrome P450 2A6 and 2A5 inhibitory activities, reported by Rahnasto et al., were subjected to QSAR and QAAR studies. The an...

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Methylnaphthalene
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Methylnaphthalene
Price: ￥78.0/100g ￥248.0/500g
Purity: 97.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-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: 2-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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2-Methylnaphthalene

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CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

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