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o-Anisidine structure
Chemical Name:
Molecular Formula:
Formula Weight:
MOL File:

o-Anisidine Properties

Melting point:
3-6 °C(lit.)
Boiling point:
225 °C(lit.)
1.092 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.574(lit.)
Flash point:
210 °F
storage temp. 
4.52(at 25℃)
7.3 (1g/l, H2O, 20℃)
Water Solubility 
13 g/L (20 ºC)
Light Sensitive
Stable. Incompatible with strong oxidizing agents, acid anhydrides, chloroformates, acids, some plastics, rubber. Air sensitive.
CAS DataBase Reference
90-04-0(CAS DataBase Reference)
NIST Chemistry Reference
Benzenamine, 2-methoxy-(90-04-0)
EPA Substance Registry System
Benzenamine, 2-methoxy-(90-04-0)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
Hazard Codes  T,Xi
Risk Statements  45-23/24/25-68
Safety Statements  53-45
RIDADR  UN 2431 6.1/PG 3
WGK Germany  3
RTECS  BZ5410000
HazardClass  6.1
PackingGroup  III
HS Code  29222200
Hazardous Substances Data 90-04-0(Hazardous Substances Data)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501
H320 Causes eye irritation Serious eye damage/eye irritation Category 2B Warning P264, P305+P351+P338,P337+P313
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H371 May cause damage to organs Specific target organ toxicity, single exposure Category 2 Warning P260, P264, P270, P309+P311, P405,P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H401 Toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 2 P273, P501
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P311 Call a POISON CENTER or doctor/physician.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P501 Dispose of contents/container to..…

NFPA 704

Diamond Hazard Value Description
Flammability   1 Materials that require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur. Includes some finely divided suspended solids that do not require heating before ignition can occur. Flash point at or above 93.3 °C (200 °F). (e.g. mineral oil, ammonia)
Instability   0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)

(NFPA, 2010)

o-Anisidine price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich A88182 o-Anisidine ≥99% 90-04-0 5g $24.5 2018-11-13 Buy
Sigma-Aldrich 31597 o-Anisidine analytical standard 90-04-0 250mg $42.2 2018-11-13 Buy
TCI Chemical A0486 o-Anisidine >98.0%(GC)(T) 90-04-0 25mL $23 2018-11-22 Buy
TCI Chemical A0486 o-Anisidine >98.0%(GC)(T) 90-04-0 500mL $102 2018-11-22 Buy
Alfa Aesar A10288 o-Anisidine, 99% 90-04-0 1000g $85.5 2018-11-13 Buy

o-Anisidine Chemical Properties,Uses,Production

Chemical Properties

reddish or brown liquid

Chemical Properties

Anisidine exists as ortho-, meta-, and paraisomers. They have characteristic amine (fishy) odors.


Intermediate for azo dyes and for guaiacol.

General Description

Clear, yellowish to reddish or brown liquid with an amine (fishy) odor.

Air & Water Reactions

o-Anisidine darkens on exposure to air. Insoluble in water.

Reactivity Profile

o-Anisidine is sensitive to heat. o-Anisidine is also sensitive to exposure to light. o-Anisidine is incompatible with strong oxidizers. o-Anisidine is also incompatible with acids, acid chlorides, acid anhydrides and chloroformates. o-Anisidine will attack some forms of plastics, rubber and coatings. .


Strong irritant. Toxic when absorbed through the skin. Possible carcinogen.

Fire Hazard

o-Anisidine is combustible.

Safety Profile

Confirmed carcinogen. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.

Potential Exposure

Anisidines are used in the manufacture of azo dyes; pharmaceuticals; textile-processing chemicals Incompatibilities: Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine,bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Attacks some coatings and some forms of plastic and rubber.

First aid

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.


UN2431 Anisidines, Hazard Class: 6.1; Labels: 6.1-Poisonous materials

Purification Methods

It is separated from the m-and p-isomers by steam distillation. It is also separated from its usual synthetic precursor o-nitroanisole by dissolving it in dilute HCl (pH <2.0) extracting the nitro impurity with Et2O, adjusting the pH to ~8.0 with NaOH, extracting the amine into Et2O or steam distilling. Extract the distillate with Et2O, dry the extract (Na2SO4), filter, evaporate and fractionate the residual oil. Protect the almost colourless oil from light which turns it yellow in color. [Biggs & Robinson J Chem Soc 3881961, Nodzu et al. Yakugaku Zasshi (J Pharm Soc Japan) 71 713, 715 1951, Beilstein 13 IV 806.]

Waste Disposal

Dissolve in combustible solvent (alcohols, benzene, etc.) and spray solution into furnace equipped with afterburner and scrubber, or burn spill residue on sand and soda ash absorbent in a furnace.

o-Anisidine Preparation Products And Raw materials

Raw materials

Preparation Products

o-Anisidine Suppliers

Global( 240)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 21967 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20680 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32457 55
+86 21 5161 9050/ 5187 7795
+86 21 5161 9052/ 5187 7796 CHINA 24196 60
Xiamen AmoyChem Co., Ltd
+86 (0)592-605 1114 CHINA 6374 58
Chemwill Asia Co.,Ltd.
86-21-51861608;;; CHINA 24001 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254 CHINA 20095 58
Haihang Industry Co.,Ltd
+86 531 8582 1093 CHINA 4669 58
career henan chemical co
+86-371-86658258 CHINA 20104 58
Changzhou GuangJia Chemical Co. Ltd. 86-0519-85267898 18015075973 13775212501
86-0519-85267898 China 21 55

View Lastest Price from o-Anisidine manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-20 o-Anisidine
US $1.00 / kg 1kg 99% 1000kg career henan chemical co

o-Anisidine Spectrum

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