ChemicalBook > CAS DataBase List > 2,3,4,4'-Tetrahydroxybenzophenone
2,3,4,4'-Tetrahydroxybenzophenone
- Product Name
- 2,3,4,4'-Tetrahydroxybenzophenone
- CAS No.
- 31127-54-5
- Chemical Name
- 2,3,4,4'-Tetrahydroxybenzophenone
- Synonyms
- 4HBP;2,3,4,4'2,3,4,4'-THBP;4'-Tetrahydroxybenzophenone;3,4,4'-Tetrahydroxybenzophenone;2,3,4,4-TETRAHYDROXYBENZOPHENONE;2,3,4,4'-Tetrehydroxybenzophenone;2,3,4,4'-Tetrahydroxybenzophenone;2,3,4,4'-Tetraanhydroxybenzophenone;2,3,4,4-TETRAHYDROXYBENZOPHENONE 98%
- CBNumber
- CB9195392
- Molecular Formula
- C13H10O5
- Formula Weight
- 246.22
- MOL File
- 31127-54-5.mol
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2,3,4,4'-Tetrahydroxybenzophenone Property
- Melting point:
- 199-204°C
- Boiling point:
- 519.0±50.0 °C(Predicted)
- Density
- 1.526±0.06 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- form
- powder to crystal
- pka
- 7.38±0.40(Predicted)
- color
- Light yellow to Amber to Dark green
- Water Solubility
- 15.07g/L(24.99 ºC)
- InChI
- InChI=1S/C13H10O5/c14-8-3-1-7(2-4-8)11(16)9-5-6-10(15)13(18)12(9)17/h1-6,14-15,17-18H
- InChIKey
- ZRDYULMDEGRWRC-UHFFFAOYSA-N
- SMILES
- C(C1=CC=C(O)C=C1)(C1=CC=C(O)C(O)=C1O)=O
- CAS DataBase Reference
- 31127-54-5(CAS DataBase Reference)
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Safety
- Risk Statements
- 36/37/38
- Safety Statements
- 26-36/37/39
- HS Code
- 2914500090
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P337+P313IF eye irritation persists: Get medical advice/attention.
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N-Bromosuccinimide Price
TCI Chemical
- Product number
- T1594
- Product name
- 2,3,4,4'-Tetrahydroxybenzophenone
- Purity
- >98.0%(T)
- Packaging
- 25g
- Price
- $50
- Updated
- 2025/07/31
TRC
- Product number
- T795543
- Product name
- 2,3,4,4''-Tetrahydroxybenzophenone
- Packaging
- 500mg
- Price
- $60
- Updated
- 2021/12/16
TRC
- Product number
- T795543
- Product name
- 2,3,4,4''-Tetrahydroxybenzophenone
- Packaging
- 250mg
- Price
- $45
- Updated
- 2021/12/16
SynQuest Laboratories
- Product number
- 2620-1-55
- Product name
- 2,3,4,4'-Tetrahydroxybenzophenone
- Purity
- 98%
- Packaging
- 100g
- Price
- $149
- Updated
- 2021/12/16
AK Scientific
- Product number
- F594
- Product name
- 2,3,4,4'-Tetrahydroxybenzophenone
- Packaging
- 100g
- Price
- $301
- Updated
- 2021/12/16
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2,3,4,4'-Tetrahydroxybenzophenone Chemical Properties,Usage,Production
Chemical Properties
Yellow powder
Uses
2,3,4,4'-Tetrahydroxybenzophenone can be used for positive resist composition.
Preparation
Preparation by benzoylation of pyrogallol with p-hydroxybenzoic acid in the presence of Amberlyst-15 in refluxing toluene for 21 h under azeotropical removal of water (86%).
Synthesis
87-66-1
99-96-7
31127-54-5
General procedure for the synthesis of (4-hydroxyphenyl)(2,3,4-trihydroxyphenyl)methanone from o-hydroxybenzenetriol and p-hydroxybenzoic acid: 0.11 moles of p-hydroxybenzoic acid and 0.1 moles of pyrophosphoric acid as an acylating agent as well as 0.015 moles of concentrated sulfuric acid were added in a reactor and mixed well. An inert gas was passed for 10 minutes to remove air. After increasing the system temperature to 70-80°C, the reactor was closed, the temperature was adjusted to 110-130°C, the pressure was maintained at 0.1-5 MPa and the reaction was carried out for 3 hours. Upon completion of the reaction, the reaction mixture was cooled to 50-60 °C and held at this temperature for 1.5 hours. Subsequently, 200 ml of 20% ethanol solution was added and crystallized at 0-5°C. The crystals were collected by filtration and dried to give the target product (4-hydroxyphenyl)(2,3,4-trihydroxyphenyl)methanone. The molar yield of this step was 78.16% and the purity was ≥98.5% by HPLC.
References
[1] Patent: CN106349036, 2017, A. Location in patent: Paragraph 0032-0037
[2] Patent: CN106365961, 2017, A. Location in patent: Paragraph 0030; 0031; 0032; 0033; 0034; 0035
[3] Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 2, p. 482
[4] Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 2, p. 483
[5] Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 2, p. 483
2,3,4,4'-Tetrahydroxybenzophenone Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 2,3,4,4'-Tetrahydroxybenzophenone manufacturers
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
- Product
- 2,3,4,4'-Tetrahydroxybenzophenone 31127-54-5
- Price
- US $2.20-8.80/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- g-kg-tons
- Release date
- 2025-07-08
WUHAN FORTUNA CHEMICAL CO., LTD
- Product
- 2,3,4,4'-Tetrahydroxybenzophenone 31127-54-5
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98%min
- Supply Ability
- 30tons/month
- Release date
- 2023-02-25
Henan Aochuang Chemical Co.,Ltd.
- Product
- 2,3,4,4'-Tetrahydroxybenzophenone 31127-54-5
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 98%
- Supply Ability
- 1Ton
- Release date
- 2022-09-16
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