Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: MCPA-POTASSIUM SALT
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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5221-16-9

5221-16-9 structure

5221-16-9 structure

Name: MCPA potassium salt
Chemical Name: MCPA-potassium
CAS Number: 5221-16-9
Molecular Formula: C₉H₈ClKO₃
Molecular Weight: 238.70900
Catalog: Chemical pesticide Insecticide Organochlorine insecticide
Create Date: 2018-06-13 12:42:16
Modify Date: 2025-08-26 16:42:52

Name	MCPA-potassium
Synonyms	potassium (4-chloro-2-methylphenoxy)acetate potassium,2-(4-chloro-2-methylphenoxy)acetate MCPA potassium salt potassium 4-chloro-o-tolyloxyacetate Potassium 4-chloro-o-tolyloxyacetate Agroxone 4 Fernimine 4 2-Methyl-4-chlorophenoxyacetic acid potassium salt K MCPA EINECS 226-015-4 potassium 2-(4-chloro-2-methylphenoxy)acetate

Boiling Point	327ºC at 760mmHg
Molecular Formula	C₉H₈ClKO₃
Molecular Weight	238.70900
Flash Point	151.6ºC
Exact Mass	237.98000
PSA	49.36000
LogP	0.77710
Storage condition	0-6°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AG2400000

CHEMICAL NAME :: Acetic acid, ((4-chloro-o-tolyl)oxy)-, potassium salt

CAS REGISTRY NUMBER :: 5221-16-9

LAST UPDATED :: 199603

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C9-H8-Cl-O3.K

MOLECULAR WEIGHT :: 238.72

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - man

DOSE/DURATION :: 440 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - coma

REFERENCE :: BMJOAE British Medical Journal. (British Medical Assoc., BMA House, Tavistock Sq., London WC1H 9JR, UK) V.1- 1857- Volume(issue)/page/year: 1,677,1964

HS Code	2918990090

94-74-6 structure

94-74-6

~%

5221-16-9 structure

5221-16-9

Literature: BASF Aktiengesellschaft Patent: US5939584 A1, 1999 ;

Precursor 1
94-74-6
DownStream 0

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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