ChemicalBook > CAS DataBase List > 2-Thiobarbituric acid
2-Thiobarbituric acid
- Product Name
- 2-Thiobarbituric acid
- CAS No.
- 504-17-6
- Chemical Name
- 2-Thiobarbituric acid
- Synonyms
- TBA;THIOBARBITURIC ACID;2-Thioxodihydropyrimidine-4,6(1H,5H)-dione;2-sulfanylpyriMidine-4,6-diol;4,6-DIHYDROXY-2-MERCAPTOPYRIMIDINE;bathyran;austranal;usafek-660;2-Mercapto-4;Thiobarbituric
- CBNumber
- CB5251676
- Molecular Formula
- C4H4N2O2S
- Formula Weight
- 144.15
- MOL File
- 504-17-6.mol
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2-Thiobarbituric acid Property
- Melting point:
- 245 °C (dec.)(lit.)
- Density
- 1.451 (estimate)
- refractive index
- 1.7690 (estimate)
- storage temp.
- Inert atmosphere,2-8°C
- solubility
- 50g/l slightly soluble
- form
- Liquid
- pka
- 3.96±0.20(Predicted)
- color
- Clear colorless
- PH
- 1.7-1.9 (10g/l, H2O, 20℃)
- Water Solubility
- <6 g/L (20 ºC)
- BRN
- 120663
- Stability:
- Stable. Incompatible with strong oxidizing agents.
- InChIKey
- RVBUGGBMJDPOST-UHFFFAOYSA-N
- CAS DataBase Reference
- 504-17-6(CAS DataBase Reference)
- NIST Chemistry Reference
- 4,6(1H,5h)-pyrimidinedione, dihydro-2-thioxo-(504-17-6)
- EPA Substance Registry System
- 4,6(1H,5H)-Pyrimidinedione, dihydro-2-thioxo- (504-17-6)
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Safety
- Hazard Codes
- Xi
- Risk Statements
- 36/37/38
- Safety Statements
- 22-24/25-37/39-26
- RIDADR
- UN 3335
- WGK Germany
- 2
- RTECS
- CQ7700000
- F
- 13-23
- TSCA
- Yes
- HS Code
- 29335995
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405Store locked up.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- T5500
- Product name
- 2-Thiobarbituric acid
- Purity
- ≥98%
- Packaging
- 25g
- Price
- $51.4
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- T5500
- Product name
- 2-Thiobarbituric acid
- Purity
- ≥98%
- Packaging
- 100g
- Price
- $146
- Updated
- 2024/03/01
Cayman Chemical
- Product number
- 27367
- Product name
- 2-Thiobarbituric Acid
- Packaging
- 50g
- Price
- $68
- Updated
- 2024/03/01
Cayman Chemical
- Product number
- 27367
- Product name
- 2-Thiobarbituric Acid
- Packaging
- 250g
- Price
- $283
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- T5500
- Product name
- 2-Thiobarbituric acid
- Purity
- ≥98%
- Packaging
- 250g
- Price
- $336
- Updated
- 2024/03/01
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2-Thiobarbituric acid Chemical Properties,Usage,Production
Chemical Properties
Off-White to Yellow Powder. soluble in hot water, alcohol, ether, alkali and sodium carbonate solution, slightly soluble in water.
Uses
2-Thiobarbituric acid has been used to measure malondialdehyde (MDA) in lipid peroxidation assay.
Uses
4,6-Dihydroxy-2-mercaptopyrimidine can be used to quantitate lipopolysaccharides, carrageenan, and sialic acids, and to detect lipid hydroperoxides and lipid oxidation.
Preparation
2-thiobarbituric acid was synthesized by the reaction of diethyl malonate with thiourea. Dissolve thiourea in methanol, add sodium methoxide and diethyl malonate, heat under reflux for 4-5h, then distill under reduced pressure to recover methanol to the end, and add hydrochloric acid to acidify to pH 1-2 after cooling. After standing overnight, thiobarbituric acid crystals were precipitated, filtered, and recrystallized with water to obtain the pure product.
Definition
ChEBI: 2-thiobarbituric acid is a barbiturate, the structure of which is that of barbituric acid in which the oxygen at C-2 is replaced by sulfur. It has a role as a reagent and an allergen.
General Description
2-Thiobarbituric acid is a molecule made up of heteroatoms: nitrogen, sulphur and oxygen.
Biochem/physiol Actions
2-Thiobarbituric acid (TBA) is useful to quantitate lipopolysaccharides, carrageenan, and sialic acids. It is also used to detect lipid hydroperoxides and lipid oxidation. It has applications in the field of medicine and biochemistry. TBA may possess the ability to prevent metal corrosion.
Purification Methods
Crystallise it from water. [Beilstein 24 H 476, 24 I 414, 24 II 275, 24 III/IV 1884.]
2-Thiobarbituric acid Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 2-Thiobarbituric acid manufacturers
Shaanxi Dideu Medichem Co. Ltd
- Product
- 2-Thiobarbituric acid 504-17-6
- Price
- US $1.10/g
- Min. Order
- 1g
- Purity
- 99.0% min
- Supply Ability
- 100 tons min
- Release date
- 2021-05-25
Henan Fengda Chemical Co., Ltd
- Product
- 4,6-Dihydroxy-2-mercaptopyrimidine 504-17-6
- Price
- US $10.00-0.80/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- g-kg-tons, free sample is available
- Release date
- 2024-01-12
R&D Scientific Inc.
- Product
- Thiobarbituric acid 504-17-6
- Price
- US $350.00/g
- Min. Order
- 1g
- Purity
- 97
- Supply Ability
- 500 Kg
- Release date
- 2024-02-18
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