Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Dicyclohexylmethane 4,4'-diisocyanate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Methylene-bis(4-cyclohexylisocyanate)
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Methylene-bis(4-cyclohexylisocyanate)
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

5124-30-1

5124-30-1 structure

Name: Methylene-bis(4-cyclohexylisocyanate)
Chemical Name: dicyclohexylmethane-4,4'-diisocyanate
CAS Number: 5124-30-1
Molecular Formula: C₁₅H₂₂N₂O₂
Molecular Weight: 262.34700
Catalog: Chemical reagent Organic reagent Cyanate ester / isocyanate
Create Date: 2018-02-16 08:00:00
Modify Date: 2026-07-02 10:45:32

Name	dicyclohexylmethane-4,4'-diisocyanate
Synonyms	isocyanicacid,methylenedi-4,1-cyclohexyleneester [Methylenebis(cyclohexane-4,1-diyl)]bisisocyanate Dicyclohexylmethane4,4'-Diisocyanate(mixtureofisomers)> 99173 4,4'-METHYLENEBIS(CYCLOHEXYL ISOCYANATE) MIXTURE OF ISOMERS Dicyclhexylmethane-4,4-Diisocyanate Dicyclohexylmethylenebisisocyanate H12MDI HMDI picm 4,4'-Methylenebis(cyclohexyl isocyanate) 4,4μ-Diisocyanato-methylenedicyclohexane, 4,4μ-HMDI, 4,4μ-Methylene-bis(cyclohexyl isocyanate), Bis(4-isocyanatocyclohexyl)methane 4,4-Diisocyanate Dicyclohexylmethane Methylenebis(4,1-cyclohexylene)diisocyanate 4,4-methylenedicyclohexyl diisocyanate DicyclohexylMethane 4,4'-diisocyanate, Mixture of isoMers reducedmdi 4,4′-Methylenebis(cyclohexyl isocyanate), mixture of isomers,HMDI, Hydrogenated MDI Dicyclohexylmethane-4,4'-diisocyanate (Mixture of Isomers) 1,1'-Methylenebis-(4-Isocyanatocyclohexane) cyclohexane,1,1’-methylenebis[4-isocyanato DICYCLOHEXYLMETHANEDIISOCYANATE 1,1’-methylenebis[4-isocyanato-cyclohexan Nacconate rmdi 4,4-Methylenebis(cyclohexyl isocyanate),mixture of isomers hylenew 4,4'-methylenedi(cyclohexyl isocyanate) dicyclohexylmethane-4,4'-di-isocyanate dicyclohexylmethylmethane-4 Dicyclohexylmethane 4,4'-Diisocyanate HYDROGENATED MDI EINECS 225-863-2 Dicyclohexalmethan-4,4 -diisocyanate methylenebis(1,4-cyclohexylene) diisocyanate 4,4'-DIISOCYANATO-METHYLENEDICYCLOHEXANE 4,4'-METHYLENEBIS(CYCLOHEXYL ISOCYANATE) saturatedmdi 4,4'-Methylenebis(cyclohexyl isocyanate) Mixture of isoMers, AcroSeal 1,1-Methylene bis(4-isocyanatocyclohexane) 4,4′-Methylendicyclohexyldiisocyanat Dicyclohexylmethane 4,4′-diisocyanate 4α-[(4-Isocyanatocyclohexan-1β-yl)methyl]cyclohexyl isocyanate Dicyclohex BIS(4-ISOCYANATOCYCLOHEXYL)METHANE 4,4'-Methylenebis(cyclohexyl isocyanate), Mixture of isoMers dmdi 4,4'-Diisocyanatodicyclohexylmethane DICYCLOHEXYLMETHANE 4,4'-DIISOCYANATE icyclohexylmethane-4,4'-diisocyanate 4,4'-Methylenedi(cyclohexyl isocyanate) smdi MFCD00015405 dicyclohexylmethane-4,4'-diisocyanate, mixture of isomers Isocyanicacid,methylene-di-4,1-cyclohexyleneester 4,4'-HMDI HMDI, Hydrogenated MDI Dicyclohexylmethylenediisocyanate Isocyanic acid, methylenedi-4,1-cyclohexylene ester 1,1’-methylenebis(4-isocyanato-cyclohexan 4,4-Methylenebis(Cyclohexyl Isocyanate)

Density	1.066 g/mL at 25 °C(lit.)
Boiling Point	168 °C / 1.5mmHg
Melting Point	25°C
Molecular Formula	C₁₅H₂₂N₂O₂
Molecular Weight	262.34700
Flash Point	211 ºC
Exact Mass	262.16800
PSA	58.86000
LogP	3.16570
Index of Refraction	n20/D 1.497(lit.)
Water Solubility	Insoluble/Reactive

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NQ9250000

CHEMICAL NAME :: Isocyanic acid, methylenedi-4,1-cyclohexylene ester

CAS REGISTRY NUMBER :: 5124-30-1

LAST UPDATED :: 199806

DATA ITEMS CITED :: 19

MOLECULAR FORMULA :: C15-H22-N2-O2

MOLECULAR WEIGHT :: 262.39

WISWESSER LINE NOTATION :: L6TJ ANCO D1- AL6TJ DNCO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555173

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0530188

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555173 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 9900 mg/kg

TOXIC EFFECTS :: Behavioral - food intake (animal) Gastrointestinal - hypermotility, diarrhea Liver - other changes

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS000555173

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 20 ppm/5H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,998,1991

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >10 gm/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal) Behavioral - muscle weakness

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555173

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 51 mg/m3/1H

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0534736 *** REVIEWS *** ACGIH TLV-TWA 0.054 mg/m3 (0.005 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-BELGIUM:TWA 0.005 ppm (0.054 mg/m3) JAN 1993 OEL-DENMARK:TWA 0.005 ppm (0.054 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 0.01 ppm (0.11 mg/m3);Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO DICYCLOHEXYLMETHANE 4,4'-DIISOCYANATE-air:CL 0.01 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1655 No. of Facilities: 102 (estimated) No. of Industries: 6 No. of Occupations: 22 No. of Employees: 4022 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1175 No. of Facilities: 624 (estimated) No. of Industries: 16 No. of Occupations: 18 No. of Employees: 7764 (estimated) No. of Female Employees: 637 (estimated)

Symbol	GHS06, GHS08
Signal Word	Danger
Hazard Statements	H315-H317-H319-H331-H334-H335
Precautionary Statements	P261-P280-P284-P304 + P340 + P312-P342 + P311-P403 + P233
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	T:Toxic;
Risk Phrases	R23;R36/37/38;R42/43
Safety Phrases	S26-S28-S38-S45-S1/2
RIDADR	UN 2206 6.1/PG 2
WGK Germany	1
RTECS	NQ9250000
Packaging Group	III
Hazard Class	6.1

Precursor 7
1761-71-3 57-13-6 63896-13-9 99305-42-7
75-44-5 439680-99-6 1266555-51-4
DownStream 1
68925-38-2

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