High purity Antioxidant H CAS NO.74-31-7

Min.Order: 1 Kilogram
Payment Terms: L/C,T/T,

Product Details

Keywords

Antioxidant H
DPPD
74-31-7

Quick Details

ProName: High purity Antioxidant H
CasNo: 74-31-7
Molecular Formula: C18H16N2
Appearance: Greyish brown powder
Application: It can be used as the antioxidant in s...
DeliveryTime: Based on the quantity
PackAge: Woven bag with inner plastic bag, 20 k...
Port: Tianjin
ProductionCapacity: 50 Metric Ton/Year
Purity: 99
Storage: Store at cool, dry and ventilate. Shel...
Transportation: Avoid rain, moist, high temperature.
LimitNum: 1 Kilogram
Grade: Industrial Grade
Initial melting point,℃: ≥140.0
Ash content ,%(m/m): ≤0.40
Decrement by heating ,%(m/m): ≤0.40
Remainder through sieving (100 mesh),% (m/m): ≤1.0

Superiority

Name	Reference	Issued by	Validity Period	Range
The quality system certificate	10JA2316	Weapon equipment quality system certification committee	2010-06-17 ~ 2012-03-31	Ferrocene derivatives series products, made H, and chromic acid copper, oxidation phosphonite
Weaponry research and production license	XX defense - 01-21 - SC - 0727	GongYeJu national defense science and technology	2010-09-09 ~ 2015-08-09	Weapons and equipment production qualification
Credit rating certificate	2106032720144379	Institute of commerce of the People's Republic of China	2010-12-30 ~ 2011-12-30	enterprise
Metrological standard assessment certificate	[2009] camp quantity standard enterprises card words first 001 number	Yingkou quality technology supervision bureau	2009-01-13 ~ 2013-01-12	Glass measure verification device
Of trademark registration	The first 6912546 number	The People's Republic of China state administration for industry and commerce to the trademark office	2010-07-14 ~ 2020-07-13	Pu, adhesive, industrial use of plastic, wall brick adhesive, industrial using adhesives, curing agent

Details

Antioxidant H

Executive standard: Q/YTH 001-2011

English another name: N, N-diphenyl-p-phenylenediamine

English abbreviation: DPPD

CAS RN: 74-31-7

1. Physical and chemical properties:

1.1 Molecular formula: C₁₈H₁₆N₂

1.2 Structure formula:

1.3 Specific gravity: 1.2

1.4 Solubility: Dissolve in benzene, toluene, ether and acetone. Dissolve slightly in ethanol. Insoluble in water.

1.5 Boiling point: 220-225℃, 0.5mmHg

1.6 Stability and reactivity: Flammable. When it’s exposed to air or sunlight, the product will be oxidized and change its color. When contacted with hot dilute hydrochloric acid, it becomes green.

2. Technical indexes:

Item	Index
Item	Refined	1^stgrade	2^ndgrade
Initial melting point,℃	≥140.0	≥135.0	≥125.0
Ash content ,%(m/m)	≤0.40	≤0.40	≤0.40
Decrement by heating ,%(m/m)	≤0.40	≤0.40	≤0.40
Remainder through sieving (100 mesh),% (m/m)	≤1.0	≤1.0	≤1.0
Appearance	Greyish brown powder

3. Uses: It can be used as the antioxidant in solid propellant to improve the storage stability of the product. It has been used for those natural, styrene-butadiene, acrylonitrile-butadiene, butadiene, butyl, hydroxyl, polyisoprene rubber to possess performance such as good flex life and crazing for enhancing the tensile modulus, strengthening the defending function to hot-oxygen , ozone and some harmful metals such as copper, manganese with not influence on vulcanization of those rubbers. It can resolve aging problem existing in the deep-color rubber products while antioxidant H is used together with antioxidant D. Moreover, it can be also used as the hot-oxygen stabilizer for those engineering plastics such as polyethylene, polypropylene, polyamide, polyformaldehyde and etc to improve their climate-resisting performance. The reference dosage is 0.2-0.3%.

4. Safety instructions: Toxic. Operation must be installed with rubber gloves, a respirator and eye protection by wearing protective clothing.

5. Package: Woven bag with inner plastic bag, 20 kg net each.

6. Storage: Store at cool, dry and ventilate. Shelf life of 12 months, if expire, still used if up to standard through retest.

7. Transportation: Avoid rain, moist, high temperature.