Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,5-dichloropyridin-2-ol
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,5-Dichloro-2-hydroxypyridine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

5437-33-2

5437-33-2 structure

5437-33-2 structure

Name: 3,5-dichloropyridin-2-ol
Chemical Name: 3,5-Dichloro-2-pyridinol
CAS Number: 5437-33-2
Molecular Formula: C₅H₃Cl₂NO
Molecular Weight: 163.989
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Hydroxypyridine
Create Date: 2018-04-11 08:00:00
Modify Date: 2025-08-23 17:11:44

Name	3,5-Dichloro-2-pyridinol
Synonyms	EINECS 226-609-3 3,5-dichloro-1,2-dihydropyridin-2-one 3,5-Dichloro-2(1H)-pyridinone 3,5-dichloropyridin-2-ol 3,5-Dichloropyridin-2(1H)-one 3,5-dichloro-1H-pyridin-2-one 2(1H)-Pyridinone, 3,5-dichloro- MFCD00015401

Density	1.6±0.1 g/cm3
Boiling Point	293.9±35.0 °C at 760 mmHg
Melting Point	180-182 °C(lit.)
Molecular Formula	C₅H₃Cl₂NO
Molecular Weight	163.989
Flash Point	131.5±25.9 °C
Exact Mass	162.959167
PSA	32.86000
LogP	1.37
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.602

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UV1146300

CHEMICAL NAME :: 2(1H)-Pyridone, 3,5-dichloro-

CAS REGISTRY NUMBER :: 5437-33-2

LAST UPDATED :: 199710

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C5-H3-Cl2-N-O

MOLECULAR WEIGHT :: 163.99

WISWESSER LINE NOTATION :: T6MVJ CG EG

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 :: 100 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#05400

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-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UV1146300
HS Code	2933399090

Precursor 9
115168-33-7 107264-06-2 114755-23-6 2457-47-8
142-08-5 4214-74-8 504-29-0 110-86-1
1072-98-6
DownStream 6
38076-80-1 25177-50-8 68057-84-1 16063-70-0
89640-10-8 93111-34-3

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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