Polymethylene polyphenyl polyisocyanate

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Polymethylene polyphenyl polyisocyanate

Product Name: Polymethylene polyphenyl polyisocyanate
CAS No.: 9016-87-9
Chemical Name: Polymethylene polyphenyl polyisocyanate
Synonyms: papi;PMDI;pmppi;isocyanuric;papi27;isocyanatedepolymethyleneetdepolyphenyle;Polymeric Methylene Diphenyl Diisocyanate;e534;cr200;mr200
CBNumber: CB6416391
Molecular Formula: C8H7NO2
Formula Weight: 149.14668
MOL File: 9016-87-9.mol

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Polymethylene polyphenyl polyisocyanate Property

Boiling point:: 392 °C5 mm Hg
Density: 1.2 g/mL at 25 °C(lit.)
vapor density: 8.6 (vs air)
refractive index: n20/D 1.634
Flash point:: >230 °F
storage temp.: Refrigerator, Under inert atmosphere
solubility: DMSO (Sparingly), Ethyl Acetate (Slightly), Methanol (Soluble)
form: Oil
color: Yellow to Orange
Stability:: Stable. Incompatible with strong oxidizing agents, alcohols. May decompose in moist air, or on contact with water.
InChI: InChI=1S/C7H5NO.CH2O/c9-6-8-7-4-2-1-3-5-7;1-2/h1-5H;1H2
InChIKey: JTEOXXUIKUHXLD-UHFFFAOYSA-N
SMILES: O=C=NC1C([H])=C([H])C([H])=C([H])C=1[H].O=C([H])[H]
IARC: 3 (Vol. 19, Sup 7) 1987
EPA Substance Registry System: Polymeric diphenylmethane diisocyanate (9016-87-9)

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Safety

Hazard Codes: Xn,T+,T,F
Risk Statements: 20-36/37/38-42-42/43-26-22-39/23/24/25-23/24/25-11-20/21/22
Safety Statements: 26-28-38-45-36/37-23-16-7-36
WGK Germany: 3
RTECS: TR0350000
Hazardous Substances Data: 9016-87-9(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H330Fatal if inhaled

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H335May cause respiratory irritation

H351Suspected of causing cancer

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 406597
Product name: Poly[(phenyl isocyanate)-co-formaldehyde]
Purity: average M
Packaging: 100ml
Price: $128
Updated: 2023/06/20

Sigma-Aldrich

Product number: 372986
Product name: Poly[(phenyl isocyanate)-co-formaldehyde]
Purity: average M
Packaging: 100ml
Price: $87.7
Updated: 2023/06/20

TRC

Product number: P688095
Product name: Poly[methylene(polyphenylIsocyanate)](Mn~340-400)
Packaging: 10ml
Price: $55
Updated: 2021/12/16

Aaron Chemicals

Product number: AR00GTKS
Product name: Polymethylenepolyphenylpolyisocyanate
Purity: 98%
Packaging: 500g
Price: $94
Updated: 2021/12/16

Aaron Chemicals

Product number: AR00GTKS
Product name: Polymethylenepolyphenylpolyisocyanate
Purity: 98%
Packaging: 5g
Price: $7
Updated: 2021/12/16

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Polymethylene polyphenyl polyisocyanate Chemical Properties,Usage,Production

Description

Polymethylene polyphenyl polyisocyanate is a chain extender and a cross-linker that is used in the formation of a polyurethane system by forming amide linkages (?NCO).

Chemical Properties

liquid

Uses

Poly[methylene(polyp?henyl Isocyanate)?] is an engineering polymer used in the synthesis of highly resiliant polyurethane foams with flame retardancy.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.

Definition

A polymer of diphenylmethane-4,4′-diisocyanate.

Application

Polymethylene polyphenyl polyisocyanate can be used as a cross-linker to DNA and CTMA based films for the fabrication of biomaterials for organic electronic devices. It can be used in the formation of polyurethane based materials for non-linear optical applications.

General Description

Dark-brown liquid with a weak odor. Sinks in water.

Air & Water Reactions

Reacts with water slowly forming heavy scum and liberating carbon dioxide gas. Dangerous pressure can build up if container is sealed.

Reactivity Profile

Polymethylene polyphenyl polyisocyanate reacts with water slowly forming heavy scum and liberating carbon dioxide gas. Dangerous pressure can build up if container is sealed. Base-catalysed reactions of isocyanates with alcohols should be carried out in inert solvents. Such reactions in the absence of solvents often occur with explosive violence [Wischmeyer 1969].

Hazard

Questionable carcinogen.

Health Hazard

Inhalation causes breathlessness, chest discomfort, and reduced pulmonary function; wheezing, cough, and sputum may also occur. Contact with liquid irritates eyes and skin. Ingestion causes irritation of mouth and stomach.

Fire Hazard

Behavior in Fire: Containers may explode.

Safety Profile

Moderately toxic by ingestion. Mildly toxic by inhalation. Questionable carcinogen with experimental neoplastigenic data by implant route. When heated to decomposition it emits toxic fumes of NOx.

Polymethylene polyphenyl polyisocyanate Preparation Products And Raw materials

Raw materials

Diphenylmethane PHOSGENE

Preparation Products

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View Lastest Price from Polymethylene polyphenyl polyisocyanate manufacturers

Hebei Longbang Technology Co., Ltd

Product: Polymethylene polyphenyl polyisocyanate 9016-87-9
Price: US $6.00/kg
Min. Order: 1kg
Purity: More than 99%
Supply Ability: 2000KG/Month
Release date: 2024-05-15

Hebei Shengyang Water Conservancy Engineering Co., Ltd.

Product: PMDI-200/polymeric MDI(methylene di isocyanate) 9016-87-9
Price: US $1500.00-800.00/Ton
Min. Order: 1Ton
Purity: 99.9%
Supply Ability: 100 ton /month
Release date: 2024-05-14

Ouhuang Engineering Materials (Hubei) Co., Ltd

Product: Polymethylene polyphenyl polyisocyanate 9016-87-9
Price: US $10.00/kg
Min. Order: 1kg
Purity: 99.6%
Supply Ability: 100000
Release date: 2024-04-25

9016-87-9, Polymethylene polyphenyl polyisocyanateRelated Search:

p-Toluenesulfonyl Isocyanate Propyl isocyanate Isocyanic acid 3,4-dichlorophenyl ester 3,3'-Dimethyl-4,4'-biphenylene diisocyanate 4-Fluorophenyl isocyanate Chlorosulfonyl isocyanate 4-Chlorophenyl isocyanate Phenyl isocyanate Tosylmethyl isocyanide DICHLORO(ETHYLENEDIAMINE)PLATINUM(II) METHYL ISOCYANOACETATE TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III) Benzyl isocyanide Ethyl isocyanoacetate TERT-BUTYL ISOCYANIDE 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE Tris(2,4-pentanedionato)chroMiuM(III) Cupric acetylacetonate

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