Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Isopropylcatechol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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2138-43-4

2138-43-4 structure

Name: 4-Isopropylcatechol
Chemical Name: 4-propan-2-ylbenzene-1,2-diol
CAS Number: 2138-43-4
Molecular Formula: C₉H₁₂O₂
Molecular Weight: 152.19000
Create Date: 2018-08-10 12:23:32
Modify Date: 2025-08-31 22:02:27

Name	4-propan-2-ylbenzene-1,2-diol
Synonyms	EINECS 218-384-5 p-isopropyl catechol 4-isopropylbenzene-1,2-diol 1,2-dihydroxy-4-isopropylbenzene 4-(1-Methylethyl)-1,2-benzenediol 4-Isopropylpyrocatechol 4-Isopropylbrenzcatechin 1,2-Benzenediol,4-(1-methylethyl) Pyrocatechol,4-isopropyl 4-Isopropylcatechol

Density	1.116g/cm3
Boiling Point	271ºC at 760mmHg
Molecular Formula	C₉H₁₂O₂
Molecular Weight	152.19000
Flash Point	129.2ºC
Exact Mass	152.08400
PSA	40.46000
LogP	2.22120
Vapour Pressure	0.00399mmHg at 25°C
Index of Refraction	1.561

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UX1900000

CHEMICAL NAME :: Pyrocatechol, 4-isopropyl-

CAS REGISTRY NUMBER :: 2138-43-4

BEILSTEIN REFERENCE NO. :: 2043519

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C9-H12-O2

MOLECULAR WEIGHT :: 152.21

WISWESSER LINE NOTATION :: QR BQ DY1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Human - man

REFERENCE :: BJDEAZ British Journal of Dermatology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.63- 1951- Volume(issue)/page/year: 94,687,1976 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/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#07862

HS Code	2907299090

68591-07-1

~87%

2138-43-4

Literature: Singh; Shukla; Dwivedi; Khanna Indian Journal of Chemistry - Section B Organic Chemistry Including Medicinal Chemistry, 1989 , vol. 28, # 8 p. 692 - 694

99-89-8

2138-43-4

Literature: Singh; Shukla; Dwivedi; Khanna Indian Journal of Chemistry - Section B Organic Chemistry Including Medicinal Chemistry, 1989 , vol. 28, # 8 p. 692 - 694

18811-78-4

2138-43-4

Literature: Remesat,K. Diss. S. 41

120-80-9

67-63-0

2138-43-4

2138-48-9

Literature: SCHENECTADY INTERNATIONAL, INC. Patent: WO2006/74401 A1, 2006 ; Location in patent: Page/Page column 23 ;

120-80-9

67-63-0

2138-43-4

Literature: Yakshin, V. V.; Tsarenko, N. A.; Zhukova, N. G.; Laskorin, B. N. Doklady Chemistry, 1992 , vol. 326, # 4-6 p. 211 - 213 Dokl. Akad. Nauk SSSR Ser. Khim., 1992 , vol. 326, # 4 p. 650 - 653

108303-53-3

2138-43-4

Literature: Delange Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1904 , vol. 138, p. 1702 Bulletin de la Societe Chimique de France, 1908 , vol. <4> 3, p. 509

18811-78-4

2138-43-4

120-80-9

Literature: Remesat,K. Diss. S. 39

77-08-7

2138-43-4

120-80-9

Literature: Remesat,K. Diss. S. 12, 35, 38, 39

Precursor 7
68591-07-1 99-89-8 18811-78-4 120-80-9
67-63-0 108303-53-3 77-08-7
DownStream 0

HS Code	2907299090
Summary	2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

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