CAS 928-04-1|2-Butynedioate, potassium salt (1:1)

Introduction：Basic information about CAS 928-04-1|2-Butynedioate, potassium salt (1:1), including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Articles10
7. Synonyms

Common Name	2-Butynedioate, potassium salt (1:1)
CAS Number	928-04-1	Molecular Weight	151.139
Density	/	Boiling Point	362.4ºC at 760 mmHg
Molecular Formula	C₄HKO₄	Melting Point	133 °C
MSDS	ChineseUSA	Flash Point	187.2ºC
Symbol	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
InChIKey	KLLYWRUTRAFSJT-UHFFFAOYSA-M
SMILES	O=C([O-])C#CC(=O)O.[K+]
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
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

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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