RAW MATERIALS

CAS RN: 101-80-4
4,4′-Diaminodiphenyl Ether

4,4-diaminodipheny, ether, alias 4,4-oxydianiline, ODA for short, CAS number 101-80-4. The chemical formula is C.,H,N,0, and the molecular weight is 200.24.

4,4-diaminodiphenyl ether is an organic chemical that is slightly soluble in water and slightly soluble in ethanol. It is one of the important raw materials for high-temperature resistant resins such as new special engineering plastic polyimide, polyetherimide, polyesterimide. polymaleimide, polyarylamide, etc.it is also the raw material for the synthesis of 3,3,4,4-tetetaaminodipheny, ether, which is the main single material for the preparation of a series of aromatic heterocyclic heat-resistant polymer materials. Body, In addition, it is also used as a raw material and cross-linking agent for high-performance heat-resistant epoxy resin, polyurethane and other synthetic polymers, as well as a raw material to replace carcinogenic biphenylamine to produce azo dyes, reactive dyes and spices.

Purity / Analysis Method	>98.0%(GC)(T)
Molecular Formula / Molecular Weight	C₁₂H₁₂N₂O = 200.24
Physical State (20 deg.C)	Solid
Storage Temperature	Room Temperature (Recommended in a cool and dark place, <15°C)
CAS RN	101-80-4

Specifications

Appearance	White to Light yellow powder to lump
Purity(GC)	min. 98.0 %
Purity(Nonaqueous Titration)	min. 98.0 %
Melting point	190.0 to 194.0 °C

Properties (reference)

Melting Point	192 °C
Solubility in water	Insoluble
Degree of solubility in water	0.048 g/l 20 °C
Solubility (soluble in)	Acetone
Solubility (insoluble in)	Benzene, Ethanol

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CAS RN: 3491-12-1
1,4-Bis(4-aminophenoxy)benzene

CAS RN: 3491-12-1
1,4-Bis(4-aminophenoxy)benzene

4,4°-oxydianiline, RODA is usually a white or gray-white crystalline powder. CAS number is 3491-12-1, which is an organic chemical. Its chemical formula is CH,M ho and its molecular weight is 200.24.
RODA is mainly used to produce high-performance polymers such as polyimide, which are widely used in electronics, aerospace, automotive and other fields.
RODA has a certain toxicity and irritation, and you need to pay attention to protection when operating. At the same time, it is also a combustible substance, and attention needs ta fire prevention.

Purity / Analysis Method	>98.0%(GC)(T)
Molecular Formula / Molecular Weight	C₁₈H₁₆N₂O₂ = 292.34
Physical State (20 deg.C)	Solid
Storage Temperature	Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas	Store under inert gas
Condition to Avoid	Air Sensitive
CAS RN	3491-12-1

Specifications

Purity(GC)	min. 98.0 %
Purity(Nonaqueous Titration)	min. 98.0 %
Melting point	173.0 to 177.0 °C

Properties

Melting Point	173 °C
Solubility in water	Insoluble
Solubility (soluble in)	Dimethylformamide

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CAS RN: 2420-87-3
4,4′-Biphthalic Anhydride

CAS RN: 2420-87-3
4,4′-Biphthalic Anhydride

Biphenyl tetraphthalate dianhydride (BPDA), CAS number 2420-37-3. usually white powder. The molecular formula is C.H,0, and the molecular weight is 294.22.
It is a polyimide monomer, which can be used to manufacture new polymer materials such as resins and Pl membranes, and can also be used as pharmaceutical intermediates.
When using and treating dianhydride, appropriate protective measures should be taken and the relevant safety operating procedures should be followed.

Purity / Analysis Method	>98.0%(HPLC)
Molecular Formula / Molecular Weight	C₁₆H₆O₆ = 294.22
Physical State (20 deg.C)	Solid
Storage Temperature	Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas	Store under inert gas
Condition to Avoid	Moisture Sensitive
CAS RN	2420-87-3

Specifications

Appearance	White to Light yellow powder to crystal
Purity(HPLC)	min. 98.0 area%
Purity(Morpholine Method)	min. 97.0 %

Properties

Maximum Absorption Wavelength

300 nm

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CAS RN: 341-58-2
2,2′-Bis(trifluoromethyl)benzidine

CAS RN: 341-58-2
2,2′-Bis(trifluoromethyl)benzidine

2,2′-Bis(trifluoromethy!)benzidine, CAS number 341-58-2. Its molecular weight is 320.2330, and the molecular formula is. C. H.F.N, the metting point is 183-184°C. This substance is commonly used as a monomer for
preparing polyimide, and is also used to synthesize materials with low dielectric constant, low surface free energy, high thermal stability.
chemical inertness and good mechanical properties.

Purity / Analysis Method	>98.0%(GC)(T)
Molecular Formula / Molecular Weight	C₁₄H₁₀F₆N₂ = 320.24
Physical State (20 deg.C)	Solid
Storage Temperature	Room Temperature (Recommended in a cool and dark place, <15°C)
CAS RN	341-58-2

Specifications

Appearance	White to Light yellow to Light orange powder to crystal
Purity(GC)	min. 98.0 %
Purity(Nonaqueous Titration)	min. 98.0 %
Melting point	182.0 to 186.0 °C
Solubility in Methanol	almost transparency

Properties

Melting Point	183 °C
Solubility (soluble in)	Methanol

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CAS RN: 1107-00-2
4,4′-Hexafluoroisopropylidene

CAS RN: 1107-00-2
4,4′-Hexafluoroisopropylidene

The full name of hezafluorodianhydride (6FDA) is 4,4′-(hexafluoroisopropyl) diphthalic anhydride, and its CAS number is 1107-00-2. 11 is a fine chemical containing fluorine and an important monomer for the synthesis of polyimide.
The structure of 6FDA contains a hexafluoroisopropylene fork structure unit, which can significantly improve the solubility, thermal stability, flame resistance, oxygen resistance, adhesion, light transmission. dielectric constant, water absorption and color depth of polyimide, and ellectively expand the application range of polyimide.

Purity / Analysis Method	>99.0%(GC)
Molecular Formula / Molecular Weight	C₁₉H₆F₆O₆ = 444.24
Physical State (20 deg.C)	Solid
Storage Temperature	Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas	Store under inert gas
Condition to Avoid	Moisture Sensitive
CAS RN	1107-00-2

Specifications

Appearance	White to Almost white powder to crystal
Purity(GC)	min. 99.0 %
Purity(Morpholine Method)	min. 98.0 %
Melting point	243.0 to 249.0 °C

Properties

Melting Point	246 °C
Solubility (soluble in)	Acetone

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CAS RN: 1823-59-2
4,4′-Oxydiphthalic Anhydride

Genaral Information Specifications & Properties

CAS RN: 1823-59-2
4,4′-Oxydiphthalic Anhydride

4,4′-Oxydiphenyl Ether Dianhydride, referred to as OPD, CAS No.1823-59-2. Its chemical formula is C.,H,0, and its molecular weight is 242.23 4,4′-Oxydiphenyl Ether Dianhydride is a white crystalline powder. insoluble in water and soluble in organic solvents such as ethanol, other and chloroform. It is mainly used for composite materials, foams, adhesives, molded parts, films, etc.; for the manufacture of polyimide resins, etc.

Purity / Analysis Method	>99.0%(HPLC)
Molecular Formula / Molecular Weight	C₁₆H₆O₇ = 310.22
Physical State (20 deg.C)	Solid
Storage Temperature	Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas	Store under inert gas
Condition to Avoid	Moisture Sensitive
CAS RN	1823-59-2

Specifications

Appearance	White to Almost white powder to crystal
Purity(HPLC)	min. 99.0 area%
Purity(Methanolysis Method)	min. 98.0 %
Melting point	227.0 to 231.0 °C

Properties

Melting Point

229 °C

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CAS RN: 65294-20-4
2,2-Bis(3,4-dimethylphenyl) hexafluoropropane

General information Specifications & Properties

CAS RN: 65294-20-4
2,2-Bis(3,4-dimethylphenyl) hexafluoropropane

2,2-double (3,4-xyl) hexafluoropropane (6FXY), with CAS number 65294-20-4, molecular weight 360.34 and molecular formula C,H,F, is a white crystalline powder organic compound. It can be used in the production of fluoroimide-containing monomer materials. It can be used as an intermediate for the modification of polymers, and is also an important preceder for the synthesis of polymide monomer 6FDA, It is used to synthesize the main components of other polymers such as optical fiber, quid crystal and other materials.

Purity / Analysis Method	>97.0%(GC)
Molecular Formula / Molecular Weight	C₁₉H₁₈F₆ = 360.34
Physical State (20 deg.C)	Solid
Storage Temperature	Room Temperature (Recommended in a cool and dark place, <15°C)
CAS RN	65294-20-4

Specifications

Appearance	White to Almost white powder to crystal
Purity(GC)	min. 97.0 %
Melting point	77.0 to 80.0 °C
NMR	confirm to structure

Properties

Melting Point

78 °C

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CAS RN: 106-50-3
1,4-Phenylenediamine

CAS RN: 106-50-3
1,4-Phenylenediamine

The CAS number of p-phenylenediamine is 106-50-3, which is an organic compound with the chemical formula C,H, Ny Physical properties: P-phenylenediamine is usually a white to light purple crystal, which has a certain toxicity. It is unstable in the air and easy to be oxidized.
Application field: P-phenylenediamine is widely used in many fields, such as chemical industry, textile, cosmetics, etc. In the chemical industry. it is often used in synthetic dyes, rubber additives, antioxidants, etc. in the textile industry, it can be used for dyeing; in cosmetics, it may be used as one of the ingredients of hair dye.

Purity / Analysis Method	>98.0%(GC)(T)
Molecular Formula / Molecular Weight	C₆H₈N₂ = 108.14
Physical State (20 deg.C)	Solid
Storage Temperature	Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas	Store under inert gas
Condition to Avoid	Light Sensitive,Air Sensitive
CAS RN	106-50-3

Specifications

Appearance	White to Light yellow to Light red powder to crystal
Purity(GC)	min. 98.0 %
Purity(Nonaqueous Titration)	min. 98.0 %
Melting point	140.0 to 145.0 °C
Solubility in hot EtOH(95vol%)	almost transparency
NMR	almost transparency

Properties

Melting Point	142 °C
Boiling Point	267 °C
Solubility in water	Soluble
Degree of solubility in water	40 g/l 25 °C
Solubility (soluble in)	Chloroform, Ether, Alcohol