2,5-Dimethoxybenzaldehyde

Modify Date: 2025-08-24 15:59:10

2,5-Dimethoxybenzaldehyde Structure
2,5-Dimethoxybenzaldehyde structure
 Common Name 2,5-Dimethoxybenzaldehyde
CAS Number 93-02-7 Molecular Weight 166.174
Density 1.1±0.1 g/cm3 Boiling Point 283.8±0.0 °C at 760 mmHg
Molecular Formula C9H10O3 Melting Point 46-48 °C(lit.)
MSDS Chinese USA Flash Point 120.6±8.2 °C
Symbol GHS07 GHS08
GHS07, GHS08		 Signal Word Danger

 Names

Name 2,5-Dimethoxybenzaldehyde
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 283.8±0.0 °C at 760 mmHg
Melting Point 46-48 °C(lit.)
Molecular Formula C9H10O3
Molecular Weight 166.174
Flash Point 120.6±8.2 °C
Exact Mass 166.062988
PSA 35.53000
LogP 1.77
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.534
Storage condition Refrigerator

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CU5740500
CHEMICAL NAME :
Benzaldehyde, 2,5-dimethoxy-
CAS REGISTRY NUMBER :
93-02-7
BEILSTEIN REFERENCE NO. :
0509301
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C9-H10-O3
MOLECULAR WEIGHT :
166.19

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 :
>3200 mg/kg
TOXIC EFFECTS :
Behavioral - muscle weakness Vascular - regional or general arteriolar or venous dilation Skin and Appendages - hair
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533614
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533614
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1600 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - excitement Behavioral - muscle weakness
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533614
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1600 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex) Behavioral - tremor Behavioral - muscle weakness
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533614

 Safety Information

Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Danger
Hazard Statements H315-H319-H334-H335
Precautionary Statements P261-P305 + P351 + P338-P342 + P311
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xi
Risk Phrases R36/37/38:Irritating to eyes, respiratory system and skin . R43:May cause sensitization by skin contact.
Safety Phrases S26-S36/37/39-S24/25
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS CU5740500
HS Code 2942000000

 Synthetic Route

 Customs

HS Code 2912499000
Summary 2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0%

 Synonyms

Benzaldehyde,2,5-dimethoxy
2,5-(MeO)2PhCHO
EINECS 202-211-5
2,5-Dimethoxybenzaldehyde
Benzaldehyde, 2,5-dimethoxy-
VHR BO1 EO1
4-08-00-01759 (Beilstein Handbook Reference)
gentisic aldehyde dimethyl ether
2,5-dimethoxycarboxaldehyde
2,5-dimethoxy-benzaldehyde
MFCD00003314
2,5-dimethoxybenzenecarbaldehyde
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