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123-11-5

123-11-5 structure
123-11-5 structure
  • Name: 4-Methoxybenzaldehyde
  • Chemical Name: Anisic aldehyde
  • CAS Number: 123-11-5
  • Molecular Formula: C8H8O2
  • Molecular Weight: 136.148
  • Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Cyanopyridine
  • Create Date: 2018-02-08 08:00:00
  • Modify Date: 2025-08-20 18:16:54
  • 4-Methoxybenzaldehyde is a naturally occurring fragrant phenolic compound that is soluble in acetone. 4-Methoxybenzaldehyde has been found in many plant species including horseradish, anise, star anise. 4-Methoxybenzaldehyde is a possible neurotoxicant and it has shown effects that include mortality, attractancy, and interference with host seeking [1].
Name Anisic aldehyde
Synonyms Obepin
4-Methoxybenzald
Anisaldehyd
FEMA 2670
AUBEPINE
Anisal
4-Methoxybenzaldehyde
4-methoxy-benzaldehyde
MFCD00003385
p-Anisaldehyde,contains Acetic Acid,H2SO4) Ethanol
p-Anisaldehyde
EINECS 204-602-6
ANISALDEHYDE
Description 4-Methoxybenzaldehyde is a naturally occurring fragrant phenolic compound that is soluble in acetone. 4-Methoxybenzaldehyde has been found in many plant species including horseradish, anise, star anise. 4-Methoxybenzaldehyde is a possible neurotoxicant and it has shown effects that include mortality, attractancy, and interference with host seeking [1].
Related Catalog
References

[1]. Showler AT , et al. Effects of the Botanical Compound p-Anisaldehyde on Horn Fly (Diptera: Muscidae) Repellency, Mortality, and Reproduction. J Med Entomol. 2018 Jan 10;55(1):183-192.
Density 1.121
Boiling Point 248-249 ºC
Melting Point -1 °C
Molecular Formula C8H8O2
Molecular Weight 136.148
Flash Point 116 ºC
Exact Mass 136.052429
PSA 26.30000
LogP 1.70
Vapour density 4.7 (vs air)
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.571-1.574

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BZ2625000
CHEMICAL NAME :
p-Anisaldehyde
CAS REGISTRY NUMBER :
123-11-5
LAST UPDATED :
199710
DATA ITEMS CITED :
13
MOLECULAR FORMULA :
C8-H8-O2
MOLECULAR WEIGHT :
136.16
WISWESSER LINE NOTATION :
VHR DO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1510 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1859 mg/kg
TOXIC EFFECTS :
Gastrointestinal - necrotic changes Gastrointestinal - other changes Liver - fatty liver degeneration
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1260 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
55200 ug/kg/30D-I
TOXIC EFFECTS :
Cardiac - changes in heart weight Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in other cell count (unspecified)

MUTATION DATA

TYPE OF TEST :
Mutation in mammalian somatic cells
TEST SYSTEM :
Rodent - mouse Lymphocyte
DOSE/DURATION :
3560 umol/L
REFERENCE :
MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1986- Volume(issue)/page/year: 3,193,1988 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5044 No. of Facilities: 6993 (estimated) No. of Industries: 40 No. of Occupations: 62 No. of Employees: 100333 (estimated) No. of Female Employees: 61328 (estimated)
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
Safety Phrases S26-S36-S45-S36/37-S16-S7
RIDADR UN 3316 9/PG 2
WGK Germany 1
RTECS BZ2625000
Packaging Group I; II; III
HS Code 29124900
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%
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