ChemicalBook > CAS DataBase List > 2,2'-Dihydroxy-4-methoxybenzophenone

2,2'-Dihydroxy-4-methoxybenzophenone

Product Name
2,2'-Dihydroxy-4-methoxybenzophenone
CAS No.
131-53-3
Chemical Name
2,2'-Dihydroxy-4-methoxybenzophenone
Synonyms
DIOXYBENZONE;BP-8;uv24;Cyasorb;UV BP-8;BENZOPHENONE-8;uf2;UF 2;UV 24;NSC-56769
CBNumber
CB5191699
Molecular Formula
C14H12O4
Formula Weight
244.24
MOL File
131-53-3.mol
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2,2'-Dihydroxy-4-methoxybenzophenone Property

Melting point:
73-75 °C(lit.)
Boiling point:
170-175 °C1 mm Hg(lit.)
Density 
1.2379 (rough estimate)
vapor pressure 
0-0Pa at 20-25℃
refractive index 
1.5389 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
DMSO (Slightly), Methanol (Slightly)
pka
7.11±0.35(Predicted)
form 
Solid
color 
Off-White to Yellow
Merck 
14,3303
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
MEZZCSHVIGVWFI-UHFFFAOYSA-N
LogP
2.33 at 23.5℃
CAS DataBase Reference
131-53-3(CAS DataBase Reference)
NIST Chemistry Reference
Dioxybenzone(131-53-3)
EPA Substance Registry System
Dioxybenzone (131-53-3)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
RTECS 
DJ1049500
HS Code 
29145090
Hazardous Substances Data
131-53-3(Hazardous Substances Data)
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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

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
323578
Product name
2,2′-Dihydroxy-4-methoxybenzophenone
Purity
98%
Packaging
25g
Price
$51.72
Updated
2024/03/01
Sigma-Aldrich
Product number
1214004
Product name
Dioxybenzone
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
150mg
Price
$188
Updated
2024/03/01
TCI Chemical
Product number
D0586
Product name
2,2'-Dihydroxy-4-methoxybenzophenone
Purity
>98.0%(GC)
Packaging
25g
Price
$51
Updated
2024/03/01
Sigma-Aldrich
Product number
92841
Product name
Dioxybenzone
Purity
analytical standard
Packaging
100mg
Price
$174
Updated
2024/03/01
Sigma-Aldrich
Product number
323578
Product name
2,2′-Dihydroxy-4-methoxybenzophenone
Purity
98%
Packaging
100g
Price
$116.8
Updated
2024/03/01
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2,2'-Dihydroxy-4-methoxybenzophenone Chemical Properties,Usage,Production

Chemical Properties

Light yellow powder. Freezing point 68℃, boiling point 170-175℃(0.133kPa), relative density 1.382(25℃).Solubility at 25℃(g/100g solvent): benzene 46.6, n-hexane 2.3, 95% ethanol 21.4, carbon tetrachloride 22.2, methylethyl ketone 55.3, plasticiser DOP 31.1, insoluble in water.

Application

Dioxybenzone is a compound used in sunscreen formulations to block out UVB and UVA harmful rays. Broad-spectrum sunscreens often contain a number of chemical ingredients that absorb UVA and UVB radiation. Many sunscreens contain UVA-absorbing avobenzone or a benzophenone (such as dioxybenzone, oxybenzone, or sulisobenzone), in addition to UVB-absorbing chemical ingredients (some of which also contribute to UVA protection).

Uses

benzophenone-8 (dioxybenzone) is an FDA-approved sunscreen chemical with uVA-absorption capabilities. It also can protect product degradation arising from uV-light exposure. It has an approved usage level of 3 percent in the united States.

Preparation

preparation by condensation of salicylic acid and m-methoxyphenol.

Definition

ChEBI: 2,2'-Dihydroxy-4-methoxybenzophenone is a member of benzophenones.

General Description

Dioxybenzone, also known as benzophenone-8, is an organic compound and a derivative of benzophenone used commercially in sunscreens. It absorbed UV-B and UV-AII rays. Dioxybenzone is an approved sunscreen ingredient in concentrations up to 3%.

Reactivity Profile

An alcohol and a ketone. Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert them to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior. They may initiate the polymerization of isocyanates and epoxides. Ketones are reactive with many acids and bases liberating heat and flammable gases (e.g., H2). The amount of heat may be sufficient to start a fire in the unreacted portion of the ketone. Ketones react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (H2) and heat. Ketones are incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. They react violently with aldehydes, HNO3, HNO3 + H2O2, and HClO4.

Fire Hazard

Flash point data for 2,2'-Dihydroxy-4-methoxybenzophenone are not available. 2,2'-Dihydroxy-4-methoxybenzophenone is probably combustible.

2,2'-Dihydroxy-4-methoxybenzophenone Preparation Products And Raw materials

Raw materials

Resorcinol Salicylic acid chloride

Preparation Products

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View Lastest Price from 2,2'-Dihydroxy-4-methoxybenzophenone manufacturers

Hebei Zhuanglai Chemical Trading Co Ltd
Product
2,2'-Dihydroxy-4-methoxybenzophenone 131-53-3
Price
US $99.00-45.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-11-14
WUHAN FORTUNA CHEMICAL CO., LTD
Product
2,2'-Dihydroxy-4-Methoxybenzophenone(UV-24) 131-53-3
Price
US $0.00-0.00/Kg/Drum
Min. Order
1KG
Purity
99.5%min
Supply Ability
1000kg
Release date
2021-11-04
Hebei Yanxi Chemical Co., Ltd.
Product
2,2'-Dihydroxy-4-methoxybenzophenone 131-53-3
Price
US $0.00-0.00/KG
Min. Order
25KG
Purity
99%
Supply Ability
30 tons
Release date
2024-05-21

131-53-3, 2,2'-Dihydroxy-4-methoxybenzophenone Related Search:

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