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Basic Information
CAS No.: 20627-73-0
Name: ORTHO-NITROBENZALDEHYDEDIMETHYLACETAL
Article Data: 29
Molecular Structure:
Molecular Structure of 20627-73-0 (ORTHO-NITROBENZALDEHYDEDIMETHYLACETAL)
Formula: C9H11NO4
Molecular Weight: 197.191
Synonyms: o-nitrobenzaldehyde dimethylacetal;2-nitrobenzaldehyde dimethylacetal;Benzene, 1-(dimethoxymethyl)-2-nitro-;
Density: 1.12g/cm3
Melting Point: 24°C (estimate)
Boiling Point: 253.6°Cat760mmHg
Flash Point: 98.9°C
Hazard Symbols: Moderately toxic by ingestion and inhalation.
Safety: Moderately toxic by ingestion and inhalation. When heated to decomposition it emits toxic vapors of NOx.
PSA: 64.28000
LogP: 2.40940
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Chemistry

IUPAC Name: 1-(Dimethoxymethyl)-2-nitrobenzene
Synonyms of 2-Nitrobenzaldehyde dimethylacetal (CAS NO.20627-73-0) : 1-(Dimethoxymethyl)-2-nitrobenzene ; Benzene, 1-(dimethoxymethyl)-2-nitro-
CAS NO:20627-73-0
Molecular Formula:C9H11NO4
Molecular Weight :197.1879
Molecular Structure :
Index of Refraction:1.527
Surface Tension: 41.7 dyne/cm
Density: 1.201 g/cm3
Flash Point: 117.8 °C
Enthalpy of Vaporization: 49.28 kJ/mol
Boiling Point: 275 °C at 760 mmHg
Vapour Pressure: 0.00877 mmHg at 25°C

Uses

 2-Nitrobenzaldehyde dimethylacetal (CAS NO.20627-73-0) is used as  intermediate in organic synthesis.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LC50 inhalation > 143mg/m3/7H (143mg/m3) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
LUNGS, THORAX, OR RESPIRATION: DYSPNEA
SKIN AND APPENDAGES (SKIN): HAIR: OTHER		 International Journal of Toxicology. Vol. 19, Pg. 336, 2000.
rat LD50 oral 3420mg/kg (3420mg/kg) SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE
BEHAVIORAL: GENERAL ANESTHETIC
LUNGS, THORAX, OR RESPIRATION: DYSPNEA		 International Journal of Toxicology. Vol. 19, Pg. 336, 2000.

Safety Profile

Moderately toxic by ingestion and inhalation. When heated to decomposition it emits toxic vapors of NOx.

Hazard Codes IrritantXiDangerousN
Risk Statements 43-51/53
R43: 2-Nitrobenzaldehyde dimethylacetal (CAS NO.20627-73-0) may cause sensitization by skin contact. 
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements 24-37-61
S24:Avoid contact with skin.
S37:Wear suitable gloves. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.