], inhalation, ingestion, skin and/or eye contact, irritation eyes, nose, throat; resp sensitization; cough, pulmonary secretions, chest pain, dyspnea (breathing difficulty); asthma, Centers for Disease Control and Prevention. Diphenylmethane-2,2'-diisocyanate. 2536-05-2. Up to 0.5 mg/m3: (APF = 10) Any supplied-air respirator*, Up to 1.25 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*, Up to 2.5 mg/m3: (APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator with a full facepiece, Up to 75 mg/m3: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode, Emergency or planned entry into unknown concentrations or IDLH conditions: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus, Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter. 2,2'-Methylenediphenyl diisocyanate. Acute dermal contact with MDI has induced dermatitis and eczema in workers. No. 2,2'-Methylenediphenyl diisocyanate CAS Number: 2536-05-2: Molecular Weight: 250.252: Density: 1.1±0.1 g/cm3: Boiling Point: 379.3±35.0 °C at 760 mmHg: Molecular Formula: C 15 H 10 N 2 O 2: Melting Point: N/A: MSDS: N/A Flash Point: 156.5±31.3 °C Laboratory Chemical Safety Summary (LCSS) Datasheet. ], 1.23 (Solid at 77°F) 1.19 (Liquid at 122°F), Strong alkalis, acids, alcohol Occurence(s)/Use(s) The commercial form of 4,4'-methylenediphenyl diisocyanate (MDI) is used to produce polyurethane foams. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. CDC twenty four seven. Acute (short-term) inhalation of high concentrations of MDI may cause sensitization and asthma in humans. No. Click here for information on selection of N, R, or P filters.Any appropriate escape-type, self-contained breathing apparatus, Important additional information about respirator selection, 4,4'-Diphenylmethane diisocyanate, MDI, Methylene di-p-phenylene ester of isocyanic acid, Methylene bis(4-phenyl isocyanate), White to light-yellow, odorless flakes. 201615-11-4), 4,4'-diphenylmethane diisocyanate (CAS Reg. 101-68-8), polypropylene glycol, toluene diisocyanate (CAS Reg. According to the harmonised classification and labelling (ATP01) approved by the European Union, this substance causes serious eye irritation, is harmful if inhaled, is suspected of causing cancer, may cause damage to organs through prolonged or repeated exposure, causes skin irritation, may cause an allergic skin reaction, may cause allergy or asthma symptoms or breathing difficulties if inhaled and may … You will be subject to the destination website's privacy policy when you follow the link. Polyester-polyurethane adhesive formulated from the following: Polyurethane component prepared by the reaction of allophonate modified methane diphenyl diisocyanate (CAS Reg. CAS Number 101-68-8 Synonym(s) p,p'-Diphenylmethane diisocyanate; p,p'-Methylenebis[phenyl isocyanate]; Bis(p-isocyanatophenyl)methane; Diphenylmethane diisocyanate; Diphenylmethane p,p'-diisocyanate; Methylenebis[p-phenyl isocyanate]; 4,41-MDI; MDI; Monomeric MDI; NCI-C50668. Synonyms. Saving Lives, Protecting People, The National Institute for Occupational Safety and Health (NIOSH), National Institute for Occupational Safety and Health, A – NIOSH Potential Occupational Carcinogens, B – Thirteen OSHA-Regulated Carcinogens, D – Substances with No Established RELs, E – OSHA Respirator Requirements for Selected Chemicals, G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect, Type C & CE – Definitions for Type C and Type CE Respirators, U.S. Department of Health & Human Services. CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. [Note: Polymerizes at 450°F. 4,4'-Diphenylmethane diisocyanate, MDI, Methylene di-p-phenylene ester of isocyanic acid, Methylene bis (4-phenyl isocyanate) CAS No. 26471-62-5), hexamethylene diisocyanate homopolymer (CAS Reg. No. Synonyms & Trade Names. [Note: A liquid above 99°F. C15H10N2O2. MDI has been observed to irritate the skin and eyes of rabbits. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. 28182-81-2) and … 101-68-8. Molecular Formula. UNII-AS00FWT3DM. No. 1-isocyanato-2- [ (2-isocyanatophenyl)methyl]benzene.

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