2-Butynedioate, potassium salt (1:1)

Modify Date: 2025-09-18 20:44:41

2-Butynedioate, potassium salt (1:1) Structure
2-Butynedioate, potassium salt (1:1) structure
 Common Name 2-Butynedioate, potassium salt (1:1)
CAS Number 928-04-1 Molecular Weight 151.139
Density N/A Boiling Point 362.4ºC at 760 mmHg
Molecular Formula C4HKO4 Melting Point 133 °C
MSDS Chinese USA Flash Point 187.2ºC
Symbol GHS06
GHS06		 Signal Word Danger

 Names

Name Acetylenedicarboxylic acid monopotassium salt
Synonym More Synonyms

 Chemical & Physical Properties

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)

 Toxicological Information

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)

 Safety Information

Symbol GHS06
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

 Customs

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%

 Articles10

More Articles
An efficient and facile synthesis of 3-amino-5-chromenyl-butenolides from 3-formyl chromone, dialkyl acetylenedicarboxylate, and primary amines.

Mol. Divers. 17(1) , 55-61, (2013)

A three-component reaction of 3-formyl chromones, dialkyl acetylenedicarboxylate, and isocyanides in the presence of POCl(3) was used as a highly efficient and practical approach for the synthesis of ...

Efficient synthesis and in vitro antitubercular activity of 1,2,3-triazoles as inhibitors of Mycobacterium tuberculosis.

Bioorg. Med. Chem. Lett. 21 , 7273-6, (2011)

Efficient and rapid synthesis of 1,2,3-triazole derivatives has been achieved via Huisgen's 1,3-dipolar cycloaddition between alkyl/arylazides and diethyl/dimethyl acetylenedicarboxylate in excellent ...

Synthesis of symmetrical and unsymmetrical diarylalkynes from propiolic acid using palladium-catalyzed decarboxylative coupling.

J. Org. Chem. 75(18) , 6244-51, (2010)

Symmetrical diarylalkynes were obtained from propiolic acid (or 2-butynedioic acid) and aryl halides in good yields. The optimized reaction conditions were 2.0 equiv of aryl halide, 1.0 equiv of propi...

 Synonyms

potassium,4-hydroxy-4-oxobut-2-ynoate
EINECS 213-169-2
2-Butynedioate, potassium salt (1:1)
MFCD04687516
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