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
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) |
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
Abamectin manufacturer
JSK Chemicals
Dhara Industries
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