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

928-04-1

928-04-1 structure

Name: 2-Butynedioate, potassium salt (1:1)
Chemical Name: Acetylenedicarboxylic acid monopotassium salt
CAS Number: 928-04-1
Molecular Formula: C₄HKO₄
Molecular Weight: 151.139
Catalog: Organic raw materials Organometallic compound Organic potassium
Create Date: 2018-09-07 16:41:33
Modify Date: 2026-07-15 06:04:11

Name	Acetylenedicarboxylic acid monopotassium salt
Synonyms	ACETYLENEDICBOXYLIC ACID MONOPOTASSIU& 2-BUTYNEDIOIC ACID, MONOPOTASSIUM SALT POTASSIUM ACETYLENE DICBOXYLATE Acetylenedicboxylic acid monopotassium salt ISO 9001：2015 REACH Potassium 3-cboxyprop-2-ynoate Monopotassium Acetylenedicboxylate Potassium Hydrogen Acetylenedicboxylate EINECS 213-169-2 ACETYLENEDICBOXYLIC ACID, MONOPOTASSIU M SALT Acetylenedicboxylic Acid Monopotassium Salt > ACETYLEN-DICBOXYLIC ACID MONO POTASSIUM SALT cetylenedicboxylic acid monopotassium salt mono-Potassium 2-butynedioate Acetylenedicboxylic acid potassium salt 2-Butynedioic acid hydrogen 1-potassium salt 2-Butynedioic acid hydrogen 4-potassium salt monopotassiumsaltofacetylenedicboxylicacid 2-BUTYNEDIOC ACID MONO POTASSIUM SALT ACETYLENE DICBOXYLIC ACID MONO POTASSIUM Butynedioic acid monopotassium salt~Potassium acetylenedicboxylate TIMTEC-BB SBB008993 ACETYLENEDICBOXYLIC ACID MONOPOTASSIUM SALT POTASSIUM HYDROGEN ACETYLENEDICBOXYLATE Acetylenedicboxyli acetylenedicboxylic potassium,4-hydroxy-4-oxobut-2-ynoate potassiuM 3-cboxypropiolate ##DISCONTINUED## Acetylenedicboxylic acid monopotassium salt MONOPOTASSIUM BUTYNEDIOATE PotassiuM but-2-ynedioate MFCD04687516 u-4783 MONOPOTASSIUM ACETYLENEDICBOXYLATE butynedioic acid monopotassium salt potassium hydrogen butynedioate 2',4,4'-TRICHLOROCHALCONE 2-Butynedioic acid,potassiuM salt (1:1) Potassium 4-hydroxy-4-oxobut-2-ynoate ACETYLENE DICBOXYLIC ACID, MONOPOTASSIUM SALT ACETYLENE DICBOXYLIC ACID POTASSIUM SALT mono-potassium salt of butyne dicboxylic acid

Boiling Point	362.4ºC at 760 mmHg
Melting Point	133 °C
Molecular Formula	C₄HKO₄
Molecular Weight	151.139
Flash Point	187.2ºC
Exact Mass	150.943909
PSA	77.43000
Storage condition	-20°C
Stability	Stable. Incompatible with bases, reducing agents, oxidizing agents.
Water Solubility	slightly soluble (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AP0700000

CHEMICAL NAME :: Acetylenedicarboxylic acid, monopotassium salt

CAS REGISTRY NUMBER :: 928-04-1

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C4-H-O4.K

MOLECULAR WEIGHT :: 152.15

WISWESSER LINE NOTATION :: QV1UU1VO &-KA-

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 :: 63 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 17,733,1970

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 32 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 17,733,1970

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 89 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 17,733,1970

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 25 mg/kg

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

REFERENCE :: EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-1278-0263 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4216 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 28 (estimated) No. of Female Employees: 7 (estimated)

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301-H310-H315-H319-H331-H335
Precautionary Statements	P261-P280-P301 + P310-P302 + P350-P305 + P351 + P338-P310
Personal Protective Equipment	Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	T+:Verytoxic;
Risk Phrases	R23/25;R27;R36/37/38
Safety Phrases	S26-S36/37/39-S45
RIDADR	UN 2811 6.1/PG 1
WGK Germany	3
RTECS	AP0700000
Packaging Group	I
Hazard Class	6.1
HS Code	29171990

Precursor 0
DownStream 8
762-21-0 14493-42-6 15872-28-3 698-40-8
4598-47-4 117831-79-5 117831-78-4 608-38-8

HS Code	2916190090
Summary	2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。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:6.5%。general tariff:30.0%

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