Name | 4,4'-Methylenedianiline |
Synonyms | MDA DADPM 4,4'-diaminoditan 4,4-Methylenedianiline 4,4'-Methylenedianiline 4,4'-Methylenebisaniline 4,4'-methanediyldianiline 3,3'-methanediyldianiline 2,2'-methanediyldianiline 4,4'-diaminodiphenylmethan 1,1-diphenylmethanediamine 4,4'-methanediyldianilinium N,N'-diphenylmethanediamine 4-(4-Aminobenzyl)phenylamine 4,4'-methylenebis-benzenamin 4,4'-methylenebisbenzenamine 4,4'-Diamino diphenyl methane |
CAS | 101-77-9 |
EINECS | 202-974-4 |
InChI | InChI=1/C13H14N2/c14-12-5-1-10(2-6-12)9-11-3-7-13(15)8-4-11/h1-8H,9,14-15H2/p+2 |
Molecular Formula | C13H16N2 |
Molar Mass | 200.278 |
Melting Point | 88-92℃ |
Boling Point | 398°C at 760 mmHg |
Flash Point | 226.3°C |
Water Solubility | Slightly soluble. <0.1 g/100 mL at 19℃ |
Solubility | water: soluble |
Vapor Presure | 1.52E-06mmHg at 25°C |
Merck | 14,2980 |
BRN | v |
pKa | 5.32±0.25(Predicted) |
Physical and Chemical Properties | Appearance: light yellow crystal, turned black when exposed to light. |
Use | For the production of insulating materials, dyes, diisocyanate, polyurethane rubber, H-class adhesives, epoxy resin curing agent; Epoxy resin curing agent, rubber antioxidant and antioxidant, intermediates for the synthesis of MDI, it is also used for the determination of tungsten and sulfate. |
Hazard Symbols | T - Toxic N - Dangerous for the environment |
Risk Codes | R43 - May cause sensitization by skin contact R45 - May cause cancer R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S53 - Avoid exposure - obtain special instructions before use. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN 2651 |
WGK Germany | 3 |
RTECS | BY5425000 |
TSCA | Yes |
HS Code | 29215900 |
Hazard Class | 6.1 |
Packing Group | III |
Raw Materials | Aniline Formaldehyde Sodium hydroxide Hydrochloric acid |
Downstream Products | flunarizine dihydrochloride |
Chemical properties White to yellowish brown flake crystals. Soluble in hot water, ethanol, ether, benzene.
Use as an analytical reagent and also used in organic synthesis
Uses are mainly used in rubber products such as tires, sidewalls, plies, inner tubes, conveying tubes, hoses, and V-belts
Uses used in the production of insulating materials, dyes, diisocyanates, polyurethane rubber, H-grade adhesives, epoxy resin curing agents, etc.; epoxy resin curing agents, rubber antioxidants and antioxidants, synthetic MDI intermediates, It is also used to determine tungsten and sulfate.
Uses are mainly used to manufacture polymer materials such as epoxy resin, polycarbonate, polysulfone resin, phenolic unsaturated resin, polyetherimide, etc., and can also be used to manufacture polyvinyl chloride heat stabilizers, Plasticizers, rubber antioxidants, agricultural fungicides, paints, ultraviolet absorbers
Use to manufacture dyes, determine tungsten and sulfate, rubber antioxidants and antioxidants.
Category Toxic
Toxic graded poisoning
acute toxicity oral-rat LD50: 662 mg/kg; Oral-mouse LD50: 745 mg/kg
stimulation data eye-rabbit 100 mg/24 hours moderate
Flammability hazard characteristics Open flame is flammable; heated to release toxic nitrogen oxide gas
Storage and transportation characteristics The warehouse is ventilated and dry at low temperature; stored and transported separately from food raw materials
Extinguishing agent water, carbon dioxide, sand, foam
occupational standard TWA 0.8 mg/m3; STEL 4.0 mg/m3