benzophenonetetracarboxylic dianhydride CAS NO.2421-28-5

Min.Order: 100 Kilogram
Payment Terms: L/C,T/T

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BTDA
SolverPI-Monomer BTDA
2421-28-5

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ProName: benzophenonetetracarboxylic dianhydrid...
CasNo: 2421-28-5
Molecular Formula: C17H6O7
Appearance: White or light yellow powder
Application: It is widely used in aviation/aerospac...
DeliveryTime: 30days
PackAge: 2.5kg/Bag,25kg/Drum
Port: shanghai
ProductionCapacity: 1000 Kilogram/Day
Purity: ≥98.5%
Storage: It can be placed in dry and ventilate...
LimitNum: 100 Kilogram

Superiority

Product Name: 3,3',4,4'-benzophenonetetracarboxylic dianhydride

Abbreviated name: BTDA

Item No.: SolverPI-Monomer BTDA

CAS:2421-28-5

EINECS:219-348-1

Molecular formula: C₁₇H₆O₇

Formula weight:322.23

Constitutional formula:

Physicochemical property:

Melting point:220-225 °C（lit.）

Boiling point:320°C 5mm

Density:1,57 g/cm³

Vapor density:1.4 （vs air）

Vapor pressure:<0.1 mm Hg （ 0 °C）

Flash point:324 °C

Solubility:DMF: 0.1 g/mL, clear

Water solubility:REACTS

Sensitivity:Moisture Sensitive

The product index:

DETERMINATION	STANDARD、GRADE
DETERMINATION	Excellent grade	First grade	Up to grade
Appearance	White	White or light yellow powder
Purity	≥99.5%	≥99.0%	≥98.5%
Melting point	225.5～224.5℃	222.5～224.5℃	220.0～222.5℃
K	≤2PPm	≤5PPm
Ca	≤2PPm	≤5PPm
Al	≤2PPm	≤5PPm
Fe	≤2PPm	≤5PPm
Cu	≤2PPm	≤5PPm
Na	≤2PPm	≤5PPm
Zn	≤2PPm	≤5PPm

The use of product: 3,3',4,4'-benzophenonetetracarboxylic dianhydride,BTDA abbreviation,This product is a polyimide monomer And aromatic diamine polymerization production polyimide materials.It has excellent performance with high temperature resistant, good low temperature resistance, corrosion resistance, radiation resistance, insulation, impact resistance and so on. Can be made in structure, laminated board, films, adhesives, foam, high temperature fiber, curing agent, coating, insulation and reinforced material and so on. It is widely used in aviation/aerospace, electrical/electronics, shipbuilding, automobile, precision machinery, and other fields.

Storage: It can be placed in dry and ventilated environment for three years under the condition of complete packaging.

Packing:2.5kg/Bag,25kg/Drum.

Details

Jiande City Silibase Silicone New Material Manufacturer Co., Ltd. is one professional manufacturer specialized in producing all kinds of SILICONE BASED new materials.

At present we mainly focus on all kinds of SILICONE SURFACTANTS for different industries, including:

1)Agricultural Organo Silicone Agent (Silwet408, Break Thru S240, Silwet L-77, Q2-5211,Sylgard 309);

2)Silicone Flow and Leveling Agent (Equivalent of DC3667

Monmentive coatsil-1160, BYK300, 301, 302, 307, BYK302, Tego100, DC19, Coatsil-7001,Tego1484,BYK3510,DC57, Cogins S-83,Monmentive coatsil-7602,BYK L9565,Monmentive coatsil-2812

Monmentive coatsil-1162,BYK306, BYK333, Tego410, Tego432, Tego450, Tego245, Tego270, Wacker Silicone Fluid L066);

3)Silicone Surfactant for Rigid Foam / Flexible Foam / HR Flexible Foam (Equivalent of Momentive L-6980, L6900, L5565,L-5340, Y-10366, L-5309, Evonik B8404, B8525, B8462, B8110, DC-193, DC5357, DC5810, DC190, DC5043);

4)Silicone Surfactant for Personal Care(Equivalent of GE1188A, DC193).

benzophenonetetracarboxylic dianhydride CAS NO.2421-28-5

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