Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,3-Bis(2-isocyanato-2-propanyl)benzene
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,3-Bis(2-Isocyanato-2-Propyl)Benzene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2778-42-9

2778-42-9 structure

2778-42-9 structure

Name: 1,3-Bis(2-isocyanato-2-propanyl)benzene
Chemical Name: 1,3-bis(2-isocyanato-2-propyl)benzene
CAS Number: 2778-42-9
Molecular Formula: C₁₄H₁₆N₂O₂
Molecular Weight: 244.289
Create Date: 2018-12-26 19:38:48
Modify Date: 2025-09-03 12:10:31

Name	1,3-bis(2-isocyanato-2-propyl)benzene
Synonyms	TMXDI m-pheny dimethyl diisocyanate 1,3-Bis(2-isocyanato-2-propyl)benzene Benzene, 1,3-bis(1-isocyanato-1-methylethyl)- m-tmxdi 1,3-bis-(2-isocyanato-prop-2-yl)-benzene 1,3-bis (1-methyl-1-isocyanatoethyl)benzene 1,3-Bis(2-isocyanato-2-propanyl)benzene 1,3-Bis(2-isocyanoto-2-propyl)benzene META-TETRAMETHYLXYLENEDIISOCYANATE MFCD00142493 1,3-Bis(2-isocyanatopropan-2-yl)benzene 1,3-Bis(1-isocyanato-1-methylethyl)benzene tetramethyl-m-xylylenediisocyanate Bisisocyanotopropylbenzene EINECS 220-474-4 m-tetramethylxylenediisocyanate

Density	1.0±0.1 g/cm3
Boiling Point	309.9±35.0 °C at 760 mmHg
Melting Point	-10 °C
Molecular Formula	C₁₄H₁₆N₂O₂
Molecular Weight	244.289
Flash Point	126.4±31.3 °C
Exact Mass	244.121185
PSA	58.86000
LogP	4.39
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.515

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CY8480000

CHEMICAL NAME :: Benzene, 1,3-bis(1-isocyanato-1-methylethyl)-

CAS REGISTRY NUMBER :: 2778-42-9

LAST UPDATED :: 199712

DATA ITEMS CITED :: 10

MOLECULAR FORMULA :: C14-H16-N2-O2

MOLECULAR WEIGHT :: 244.32

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,45,1990

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,45,1990 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4600 mg/kg

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

REFERENCE :: TSCAT* Office of Toxic Substances Report. (U.S. Environmental Protection Agency, Office of Toxic Substances, 401 M St., SW, Washington, DC 20460) Volume(issue)/page/year: OTS0515232

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 840 ppb/3H

TOXIC EFFECTS :: Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536287

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2500 ppb/3H

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity)

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536287

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 2 gm/kg

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

REFERENCE :: ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,45,1990

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 240 mg/m3/1H

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - chronic pulmonary edema

REFERENCE :: ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,45,1990

Symbol	GHS06, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H315-H317-H319-H330-H372-H410
Precautionary Statements	P260-P273-P280-P284-P305 + P351 + P338-P310
Target Organs	Lungs
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn: Harmful;
Risk Phrases	R20/21/22
Safety Phrases	S26;S36
RIDADR	UN 2206
RTECS	CY8480000
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2929109000

75-13-8 structure

75-13-8

3748-13-8 structure

3748-13-8

~%

2778-42-9 structure

2778-42-9

Literature: Hoover,F.W.; Rothrock,H.S. Journal of Organic Chemistry, 1964 , vol. 29, p. 143 - 145

Precursor 2
75-13-8 3748-13-8
DownStream 0

HS Code	2929109000
Summary	2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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