3-Methoxycatechol

Modify Date: 2025-08-23 11:02:47

3-Methoxycatechol Structure
3-Methoxycatechol structure
 Common Name 3-Methoxycatechol
CAS Number 934-00-9 Molecular Weight 140.137
Density 1.3±0.1 g/cm3 Boiling Point 268.1±0.0 °C at 760 mmHg
Molecular Formula C7H8O3 Melting Point 38-43 °C(lit.)
MSDS Chinese USA Flash Point 119.5±21.8 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 3-Methoxycatechol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 268.1±0.0 °C at 760 mmHg
Melting Point 38-43 °C(lit.)
Molecular Formula C7H8O3
Molecular Weight 140.137
Flash Point 119.5±21.8 °C
Exact Mass 140.047348
PSA 49.69000
LogP 0.70
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.580
InChIKey LPYUENQFPVNPHY-UHFFFAOYSA-N
SMILES COc1cccc(O)c1O

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CZ9002750
CHEMICAL NAME :
1,2-Benzenediol, 3-methoxy-
CAS REGISTRY NUMBER :
934-00-9
LAST UPDATED :
199606
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C7-H8-O3
MOLECULAR WEIGHT :
140.15

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
428 gm/kg/51W-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Gastrointestinal - tumors
REFERENCE :
JJCREP Japanese Journal of Cancer Research. (Elsevier Science Pub. BV, POB 211, 1000 AE Amsterdam, Netherlands) V.76- 1985- Volume(issue)/page/year: 85,17,1994

 Safety Information

Symbol GHS07
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:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS CZ9002750
HS Code 2909500000

 Synthetic Route

 Customs

HS Code 2909500000
Summary 2909500000 ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

 Articles8

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 Synonyms

3-Methoxy-1,2-benzenediol
3-Methoxybenzene-1,2-diol
MFCD00002191
EINECS 213-276-4
1,2-Benzenediol, 3-methoxy-
3-Methoxycatechol
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