3-Methylcatechol

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Names

[ CAS No. ]:
488-17-5

[ Name ]:
3-Methylcatechol

[Synonym ]:
3-METHYL CATECHOL
3-methyl-pyrocatecho
1,2-Dihydroxy-3-methylbenzene
2,3-Toluenediol
1,2-Benzenediol, 3-methyl-
Dihydroxytoluene
MFCD00016435
3-Methylcatechol
3-Methylpyrocatechol
2,3-Dihydroxytoluene
3-Methylbenzol-1,2-diol
METHYLCATECHOL,3
EINECS 207-672-6
Catechol,3-methyl
3-methylbenzene-1,2-diol
2,3-Toluenediol-d3
3-Methyl-1,2-benzenediol
3-METHYL-BENZENE-1,2-DIOL

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
240.9±20.0 °C at 760 mmHg

[ Melting Point ]:
65-68 °C(lit.)

[ Molecular Formula ]:
C₇H₈O₂

[ Molecular Weight ]:
124.137

[ Flash Point ]:
116.7±16.4 °C

[ Exact Mass ]:
124.052429

[ PSA ]:
40.46000

[ LogP ]:
1.34

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.595

[ Water Solubility ]:
soluble

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UX1910000

CHEMICAL NAME :: Pyrocatechol, 3-methyl-

CAS REGISTRY NUMBER :: 488-17-5

BEILSTEIN REFERENCE NO. :: 0774602

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C7-H8-O2

MOLECULAR WEIGHT :: 124.15

WISWESSER LINE NOTATION :: QR BQ C1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#07878

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38:Irritating to eyes, respiratory system and skin .

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
2811

[ WGK Germany ]:
3

[ RTECS ]:
UX1910000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1(b)

[ HS Code ]:
2907299090

Precursor & DownStream

Precursor

2-Methoxy-6-methylphenol
3-Methylsalicylaldehyde
2,3-dimethoxytoluene
3-Methoxysalicylaldehyde
m-Cresol
2,3-Dimethoxybenzaldehyde
6-methyl-3,4-dihydro-2H-benzo[b]1,4-dioxepine
Toluene
(1S,2R)-3-methylcyclohexa-3,5-diene-1,2-diol

DownStream

3-Methylphthalonitrile
2,3-dimethoxytoluene
2-Methoxy-3-methylphenol
2-Methoxy-6-methylphenol
5-Tert-butyl-3-methylpyrocatechol
2-methoxy-6-methyl-4-prop-2-enylphenol
1,2-Benzenediol,3-(1,1-dimethylethyl)-6-methyl-
BROMODICHLOROMETHANE
Chloroform
DIBROMOCHLOROMETHANE

Customs

[ HS Code ]: 2907299090

[ Summary ]:
2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

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