Methylene-bis(4-cyclohexylisocyanate)

Modify Date: 2025-08-25 12:58:29

Methylene-bis(4-cyclohexylisocyanate) structure	Common Name	Methylene-bis(4-cyclohexylisocyanate)
	CAS Number	5124-30-1	Molecular Weight	262.34700
	Density	1.066 g/mL at 25 °C(lit.)	Boiling Point	168 °C / 1.5mmHg
	Molecular Formula	C₁₅H₂₂N₂O₂	Melting Point	25°C
	MSDS	Chinese USA	Flash Point	211 ºC
	Symbol	GHS06, GHS08	Signal Word	Danger

Name	dicyclohexylmethane-4,4'-diisocyanate
Synonym	More Synonyms

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

Methylene-bis(4-cyclohexylisocyanate) MSDS(Chinese)

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
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DownStream 1
CAS#:68925-38-2 2-oxo-N-[4-[[4-...

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Methylene-bis(4-cyclohexylisocyanate)

4,4'-Methylenebis(cyclohexyl isocyanate)

Dicyclohexylmethane 4,4′-diisocyanate

MFCD00015405

Dicyclohexylmethane 4,4'-Diisocyanate

4,4-Methylenebis(Cyclohexyl Isocyanate)

EINECS 225-863-2

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Methylene-bis(4-cyclohexylisocyanate)
Price: Check
Purity: 99.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Dicyclohexylmethane 4,4'-diisocyanate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: 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%
Delivery: 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%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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Methylene-bis(4-cyclohexylisocyanate)

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