4,4'-Oxydianiline
This product is a colorless crystalline granule (a slight yellow or gray tint is permissible), soluble in some organic solvents, slightly soluble in ethanol, insoluble in water, and soluble in dilute hydrochloric acid.
Specification of Product
Product Name : 4,4'-Oxydianiline
4,4'-Diaminodiphenyl Ether
4,4'-Diaminodiphenyl Oxide
4,4'-ODA

CAS No.: 101-80-4
EINECS No.: 202-977-0
Molecular Formula: C12H12N2O
Molecular Weight: 200.241
4,4'-Oxydianiline Uses
1. It is one of the important raw materials in the synthesis of polyimide resin materials.
2. It is also used as a raw material and crosslinking agent for high-performance epoxy resins.
3. It is also used to replace benzidine, which has carcinogenic effects, in the production of azo dyes, reactive dyes, and fragrances.
4,4'-Oxydianiline Storage and Transportation
Packaging: Inner packaging is vacuum-packed in an aluminum foil bag; outer packaging is a cardboard box or cardboard drum. Packaging can be customized according to customer requirements.
Storage: Store in a cool, ventilated, dry, and oxygen-free place away from light.
Shelf life is one year.
Based on different production processes, products are divided into sublimated 4,4'-Oxydianiline and recrystallized 4,4'-Oxydianiline.
1. Recrystallization method
Recrystallized 4,4'-Oxydianiline quality standard
Appearance: White or pale yellow granule
Size of particle: 20-80 mesh
Purity: ≥99.80%
Moisture: ≤0.05%
Volatile: ≤0.2%
Melting point: ≥189.0℃
Ash: ≤0.05%
Light transmittance: ≥90%
Micro powder: <150 μm
2. Sublimation method
Sublimated 4,4'-Oxydianiline quality standard
Appearance: White bulk or powder(yellow or light grey is allowed)
Purity: ≥99.50%
Melting point: ≥188.0℃
Volatile matter: ≤0.2%
Metal ions :
Ca (mg/kg) < 2.0
Cu (mg/kg) < 2.0
Fe (mg/kg) < 2.0
K (mg/kg) < 2.0
Na(mg/kg) < 2.0