119-90-4
Product Name:
o-Dianisidine
Formula:
C14H16N2O2
Synonyms:
3,3′-Dimethoxybenzidine;Fast Blue B
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | 3,3'-dimethoxybenzidine appears as colorless crystals or a light brown powder. Turns violet on standing. Carcinogen. |
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Color/Form | LEAFLETS OR NEEDLES FROM WATER |
Melting Point | 279 to 280 °F (NTP, 1992) |
Flash Point | 403 °F (NTP, 1992) |
Solubility | less than 0.1 mg/mL at 68 °F (NTP, 1992) |
Vapor Density | 8.5 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
Vapor Pressure | negligible |
LogP | log Kow = 1.81 |
Decomposition | When heated to decomp it emits toxic fumes of /nitrogen oxides/. |
pH | WEAK BASE |
Other Experimental Properties | HAS GENERAL CHARACTERISTICS OF PRIMARY AROMATIC AMINES |
Chemical Classes | Nitrogen Compounds -> Amines, Polyaromatic |
SAFETY INFORMATION
Signal word | Danger |
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Pictogram(s) |
Exclamation Mark Irritant GHS07 Health Hazard GHS08 |
GHS Hazard Statements |
H302:Acute toxicity,oral H350:Carcinogenicity |
Precautionary Statement Codes |
P201:Obtain special instructions before use. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
Molecular Weight | 244.29 g/mol |
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XLogP3 | 2.2 |
Hydrogen Bond Donor Count | 2 |
Hydrogen Bond Acceptor Count | 4 |
Rotatable Bond Count | 3 |
Exact Mass | 244.121177757 g/mol |
Monoisotopic Mass | 244.121177757 g/mol |
Topological Polar Surface Area | 70.5 Ų |
Heavy Atom Count | 18 |
Formal Charge | 0 |
Complexity | 236 |
Isotope Atom Count | 0 |
Defined Atom Stereocenter Count | 0 |
Undefined Atom Stereocenter Count | 0 |
Defined Bond Stereocenter Count | 0 |
Undefined Bond Stereocenter Count | 0 |
Covalently-Bonded Unit Count | 1 |
Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
3,3'-dimethoxybenzidine appears as colorless crystals or a light brown powder. Turns violet on standing. Carcinogen.