o-Toluidine GR for analysis


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Synonyms 2-Aminotoluene, 2-Methylaniline
Description o-Toluidine


Product Information
CAS number 95-53-4
EC index number 612-091-00-X
EC number 202-429-0
Hill Formula C₇H₉N
Chemical formula 2-(CH₃)C₆H₄NH₂
Molar Mass 107.15 g/mol
HS Code 2921 43 00
Structure formula Image Structure formula Image
Quality Level MQ100


Physicochemical Information
Boiling point 200 °C (1013 hPa)
Density 0.99 g/cm3 (20 °C)
Explosion limit 1.5 – 7.5 %(V)
Flash point 85 °C
Ignition temperature 480 °C
Melting Point <-15 °C
pH value 7.4 (H₂O, 20 °C) Aqueous solution
Vapor pressure 0.18 hPa (20 °C)
Solubility 15 g/l


Toxicological Information
LD 50 dermal LD50 Rabbit 3250 mg/kg


Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H350: May cause cancer.
H301 + H331: Toxic if swallowed or if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H341: Suspected of causing genetic defects.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) P201: Obtain special instructions before use.
P273: Avoid release to the environment.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word Danger
Storage class 6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK WGK 3 highly hazardous to water
Disposal 9
Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).


Safety Information
Hazard Symbols Hazard SymbolsDangerous for the environment
Hazard SymbolsToxic
Categories of danger carcinogenic, toxic, irritant, dangerous for the environment
R Phrase R 45-23/25-36-50
May cause cancer.Also toxic by inhalation and if swallowed.Irritating to eyes.Very toxic to aquatic organisms.
S Phrase S 53-45-61
Avoid exposure – obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.


Storage and Shipping Information
Storage Store below +30°C.


Transport Information
Declaration (railroad and road) ADR, RID UN 1708 , 6.1, II
Declaration (transport by air) IATA-DGR UN 1708 , 6.1, II
Declaration (transport by sea) IMDG-Code UN 1708 , 6.1, II, Marine Pollutant: P

Assay (GC, area%) ≥ 99.5 % (a/a)
p-toluidine and m-toluidine (GC, area%) ≤ 0.40 % (a/a)
Water (K. F.) ≤ 0.10 %
Chloride (Cl) ≤ 0.0005 %
Heavy metals (as Pb) ≤ 0.0001 %
Sulfated ash ≤ 0.005 %
Identity (IR) passes test

Additional information


250ml, 1 Litre


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