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HomeProduct name listMercaptosuccinic acid

Mercaptosuccinic acid

Synonym(s):Mercaptosuccinic acid;Thiomalic acid

  • CAS NO.:70-49-5
  • Empirical Formula: C4H6O4S
  • Molecular Weight: 150.15
  • MDL number: MFCD00004860
  • EINECS: 200-736-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-05 11:59:05
Mercaptosuccinic acid Structural

What is Mercaptosuccinic acid?

Chemical properties

white to almost white crystalline powder

The Uses of Mercaptosuccinic acid

Mercaptosuccinic acid is used in the preparation of mercaptosuccinic acid diethyl ester by reaction with ethanol. It is also used as a brightening agent in metal plating. Further, it serves as an intermediate for the synthesis of corrosion inhibitors, soil fumigants, active pharmaceutical ingredients and electroplating agents.

The Uses of Mercaptosuccinic acid

Antirheumatic.

The Uses of Mercaptosuccinic acid

Mercaptosuccinic acid has been used as a dopant for the synthesis of carbon nanodots from citric acid. It can be used as a capping and reducing agent to synthesize monolayer-capped gold nanoparticles.

Definition

ChEBI: Thiomalic acid is a C4-dicarboxylic acid. It is functionally related to a succinic acid. It is a conjugate acid of a thiomalate(1-).

brand name

Myochrysine (Merck).

General Description

Mercaptosuccinic acid(MSA) is a chiral multifunctional intermediate material used as a stabilizing and capping agent in the synthesis of biologically active sulfurs.

Purification Methods

Dissolve the acid in water and extract it several times with diethyl ether to remove imprities. The aqueous solution gave the acid on freeze-drying. [Beilstein 3 IV 472.]

Properties of Mercaptosuccinic acid

Melting point: 155-157 °C(lit.)
Boiling point: 241.69°C (rough estimate)
Density  1.352 (estimate)
refractive index  1.5500 (estimate)
storage temp.  Store below +30°C.
solubility  500g/l
pka pKa 4.68±0.04(H2O t = 20.0±0.05 I = 0.15) (Uncertain)
form  Crystalline Powder
color  White to almost white
Water Solubility  150 g/L (20 ºC)
Merck  14,9343
BRN  1099858
CAS DataBase Reference 70-49-5(CAS DataBase Reference)
NIST Chemistry Reference 2-Sulfanylsuccinic acid(70-49-5)
EPA Substance Registry System Butanedioic acid, mercapto- (70-49-5)

Safety information for Mercaptosuccinic acid

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Mercaptosuccinic acid

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