Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Bromo-2-ethylphenol
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: METHYL 3-ETHYL-4-HYDROXYBENZOATE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: METHYL 3-ETHYL-4-HYDROXYBENZOATE
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

18980-21-7

18980-21-7 structure

18980-21-7 structure

Name: METHYL 3-ETHYL-4-HYDROXYBENZOATE
Chemical Name: 4-bromo-2-ethylphenol
CAS Number: 18980-21-7
Molecular Formula: C₈H₉BrO
Molecular Weight: 201.06000
Create Date: 2018-08-28 16:45:08
Modify Date: 2025-08-25 19:14:22

Name	4-bromo-2-ethylphenol
Synonyms	5-Brom-2-hydroxy-1-aethyl-benzol ethyl-p-Bromophenol 4-bromo-2-ethyl-phenol 4-Brom-2-aethylphenol 5-bromo-2-ethylphenol 2-Aethyl-4-brom-phenol Phenol,4-bromo-2-ethyl EINECS 242-718-9 2-ethyl-4-bromo-phenol

Density	1.469g/cm3
Boiling Point	256.1ºC at 760mmHg
Molecular Formula	C₈H₉BrO
Molecular Weight	201.06000
Flash Point	108.7ºC
Exact Mass	199.98400
PSA	20.23000
LogP	2.71710
Vapour Pressure	0.00979mmHg at 25°C
Index of Refraction	1.577

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SJ8300000

CHEMICAL NAME :: Phenol, 4-bromo-2-ethyl-

CAS REGISTRY NUMBER :: 18980-21-7

BEILSTEIN REFERENCE NO. :: 2413107

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H9-Br-O

MOLECULAR WEIGHT :: 201.08

WISWESSER LINE NOTATION :: QR DE B2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1100 mg/kg

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

REFERENCE :: PHARAT Pharmazie. (VEB Verlag Volk und Gesundheit, Neue Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1946- Volume(issue)/page/year: 32,171,1977

HS Code	2908199090

1450-75-5 structure

1450-75-5

~87%

18980-21-7 structure

18980-21-7

Literature: Agouron Pharmaceuticals, Inc. Patent: US2005/176701 A1, 2005 ; Location in patent: Page/Page column 26 ; US 20050176701 A1

90-00-6 structure

90-00-6

~99%

18980-21-7 structure

18980-21-7

Literature: GALDERMA RESEARCH and DEVELOPMENT, S.N.C. SOPHIA ANTIPOLIS Patent: WO2004/20379 A1, 2004 ; Location in patent: Page 36 ;

1927-95-3 structure

1927-95-3

~%

18980-21-7 structure

18980-21-7

Literature: Journal of the American Chemical Society, , vol. 55, p. 4657,4660

106-41-2 structure

106-41-2

~%

18980-21-7 structure

18980-21-7

Literature: Journal of the American Chemical Society, , vol. 55, p. 4657,4660

Precursor 4
1450-75-5 90-00-6 1927-95-3 106-41-2
DownStream 10
57704-12-8 137740-37-5 137740-36-4 137206-73-6
22934-36-7 749932-54-5 85536-86-3 59664-01-6
60398-91-6 63551-41-7

HS Code	2908199090
Summary	HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0%

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