Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,5-Dichloro-4-hydroxybenzoic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3,5-Dichloro-4-hydroxybenzoic acid
Price: ￥328.0/25g ￥108.0/5g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,5-Dichloro-4-hydroxybenzoic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3336-41-2

3336-41-2 structure

3336-41-2 structure

Name: 3,5-Dichloro-4-hydroxybenzoic acid
Chemical Name: 3,5-Dichloro-4-hydroxybenzoic acid
CAS Number: 3336-41-2
Molecular Formula: C₇H₄Cl₂O₃
Molecular Weight: 207.011
Catalog: Chemical reagent Organic reagent Aromatic acid
Create Date: 2018-03-04 08:00:00
Modify Date: 2025-08-26 21:45:31

Name	3,5-Dichloro-4-hydroxybenzoic acid
Synonyms	4-hydroxy-3,5-dichloro-benzoic acid BENZOIC ACID,3,5-DICHLORO-4-HYDROXY acide dichloro-3,5 hydroxy-4 benzoique DiClHBz 3,5-Dichloro-4-hydroxybenzoic acid EINECS 222-071-9 3,5-dichloro-4-hydroxy-benzoic acid Benzoic acid, 3,5-dichloro-4-hydroxy- 3,5-Dichloro-4-hydroxybenzoicAcid 3,5-Dichlor-4-hydroxy-benzoesaeure MFCD00002550

Density	1.7±0.1 g/cm3
Boiling Point	328.2±42.0 °C at 760 mmHg
Melting Point	264-266 °C(lit.)
Molecular Formula	C₇H₄Cl₂O₃
Molecular Weight	207.011
Flash Point	152.3±27.9 °C
Exact Mass	205.953751
PSA	57.53000
LogP	3.37
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.641

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DG7502000

CHEMICAL NAME :: Benzoic acid, 3,5-dichloro-4-hydroxy-

CAS REGISTRY NUMBER :: 3336-41-2

BEILSTEIN REFERENCE NO. :: 2616297

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H4-Cl2-O3

MOLECULAR WEIGHT :: 207.01

WISWESSER LINE NOTATION :: QVR DQ CG EG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 650 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex)

REFERENCE :: JMPCAS Journal of Medicinal and Pharmaceutical Chemistry. (Washington, DC) V.1-5, 1959-62. For publisher information, see JMCMAR. Volume(issue)/page/year: 2,213,1960

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	DG7502000
HS Code	2918290000

Precursor 10
99-96-7 17302-82-8 163205-74-1 37908-97-7
87-65-0 4892-23-3 3964-58-7 124-38-9
120-47-8 2432-12-4
DownStream 10
3337-59-5 37908-97-7 17302-82-8 87-65-0
618-80-4 697-91-6 17044-70-1 24295-27-0
22002-17-1 6267-90-9

HS Code	2918290000
Summary	HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

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