Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzene,1,3-diisocyanato-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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123-61-5

123-61-5 structure

Name: 1,3-PHENYLENE DIISOCYANATE
Chemical Name: 1,3-phenylene diisocyanate
CAS Number: 123-61-5
Molecular Formula: C₈H₄N₂O₂
Molecular Weight: 160.13000
Catalog: Chemical reagent Organic reagent Cyanate ester / isocyanate
Create Date: 2018-08-21 11:57:36
Modify Date: 2025-08-24 00:53:20

Name	1,3-phenylene diisocyanate
Synonyms	1,3-Phenylene Diisocyanate EINECS 204-637-7 Benzene 1,3-Diisocyanate MFCD00002018 1,3-diisocyanatobenzene

Density	1.17g/cm3
Boiling Point	121 °C25 mm Hg(lit.)
Melting Point	49-51 °C(lit.)
Molecular Formula	C₈H₄N₂O₂
Molecular Weight	160.13000
Flash Point	>230 °F
Exact Mass	160.02700
PSA	58.86000
LogP	1.62120
Vapour Pressure	0.0801mmHg at 25°C
Index of Refraction	1.567

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NR0150000

CHEMICAL NAME :: Isocyanic acid, m-phenylene ester

CAS REGISTRY NUMBER :: 123-61-5

BEILSTEIN REFERENCE NO. :: 0776957

LAST UPDATED :: 199710

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C8-H4-N2-O2

MOLECULAR WEIGHT :: 160.14

WISWESSER LINE NOTATION :: OCNR CNCO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 5600 ug/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#07804

Symbol	GHS07, GHS08
Signal Word	Danger
Hazard Statements	H302 + H312 + H332-H315-H319-H334-H335
Precautionary Statements	P261-P280-P305 + P351 + P338-P342 + P311
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	S22-S26-S36/37
RIDADR	UN 2810 6.1/PG 3
WGK Germany	3
RTECS	NR0150000
Packaging Group	II
Hazard Class	6.1
HS Code	2929109000

99-65-0

201230-82-2

~73%

3320-87-4

123-61-5

Literature: Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 29, # 1 p. 117 - 120 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 1 p. 133 - 136

4930-04-5

~98%

123-61-5

Literature: Valli, V. L. K.; Alper, H. Journal of Organic Chemistry, 1995 , vol. 60, # 1 p. 257 - 258

3027-36-9

123-61-5

Literature: Chemische Berichte, , vol. 42, p. 3133

7450-61-5

123-61-5

Literature: Dissertation , S.33

75-44-5

108-45-2

123-61-5

Literature: Justus Liebigs Annalen der Chemie, , vol. 562, p. 75,1114

3027-36-9

71-43-2

123-61-5

Literature: Chemische Berichte, , vol. 42, p. 3133

Precursor 8
99-65-0 201230-82-2 4930-04-5 3027-36-9
7450-61-5 75-44-5 108-45-2 71-43-2
DownStream 3
3125-77-7 1135-58-6 4998-28-1

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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