UV Absorbers, Curing Agents and Antioxidant Compounds

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Product name
CAS
Formula

Benzil Dimethyl Ketal

CAS24650-42-8
FormulaC16H16O3
SynonymBDK, BDMK, Benzil dimethyl acetal, Benzil mono(dimethyl ketal), Benzil mono(dimethyl acetal), Ethanone, 2,2-dimethoxy-1,2-diphenyl-, Ethanone, 2,2-dimethoxy-1,2-diphenyl-
Melting Point63-68 c
Assay99.5% min
Ash0.1% max
AppearanceWhite Crystalline powder
Melting Range ('C)63~66
Volatiles0.2% max
Molecular weight256.30
Solubilityacrylates, dichloromethane, dop

n-Aminoethylpiperazine

CAS140-31-8
FormulaC6H15N3
SynonymAminoethyl Piperazine, AEP, 1-Piperazineethanamine
Density0.9837
Total Amine ValueApprox. 1,300 mg KOH/g
Color (APHA)50 Maximum
Water0.5% wt. Maximum
Relative Density (20/20°C)0.986
AEP Content98.0% wt. Minimum
Boiling Point at 1.33 kPa100°C
AppearanceClear Solution
Freezing Point-18°C
Boiling Point at 101.3 kPa222°C
Viscosity at 20°C15 mPa.s
Vapor Pressure at 20°C8 Pa
Freezing Point-18°C
Total Nitrogen32.5% wt.
Refractive Index1.499
Molecular weight129.24
Colorcolorless or pale yel liquid
Flash Point200 f
Solubilitywater
Boiling Point222.0 c

Antioxidant 1010

CAS6683-19-8
FormulaC73H108O12
SynonymPentaerythritol Tetrakis (3-(3,5-di-tert-butyl-4-hydroxyphenyl) Propionate, Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, 1,1'-[2,2-bis[[3-[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropoxy]methyl]-1,3-propanediyl] ester, Benzenepropanoic acid,3,5-bis(1,1-dimethylethyl)-4-hydroxy-,2,2-bis[[3-[3,5-bis(1,1-dimethylethyl)-4-hydrox yphenyl]-1-oxopropoxy]methyl]-1,3-propanediyl ester
Density1.05 (20 c)
Ash0.1% Max.
AppearanceWhite Crystalline powder
Assay98% Min.
Melting Point110 - 125°C
Volatiles0.5% Max.
Transmittance96% Min. (at 425 nm)
Transmittance98% Min. (at 500 nm)
Insolubilityin water
Molecular weight1177.7
Flash Point299 c
Solubilityacetone, benzene, chloroform, ethyl acetate

Antioxidant 168

CAS31570-04-4
FormulaC42H63O3P
SynonymTris(2,4-di-tert-butylphenol) phosphite, Phenol, 2,4-bis(1,1-dimethylethyl)-, 1,1',1''-phosphite
Density1.03
Melting Point183 - 187°C
Volatiles0.3% Max.
2,4-di-tert-butylphenol0.2% Max.
AppearanceWhite powder
Color Of SoultionClear, transparent
Assay99% Min.
Transmittance98% Min. (at 500 nm)
Transmittance98% Min. (at 425 nm)
Molecular weight646.93
Acid Number0.3 max
Flash Point225 c

Resorcinol Monobenzoate

CAS136-36-7
FormulaC13H10O3
Synonym3-benzoyloxyphenol, RESORCINOL BENZOATE, eastmaninhibitorrmb, Eastman Inhibitor RMB, Resorcinol 1-benzoate, Resorcin monobenzoate, RESORCINOL MONOBENZOATE, M-HYDROXYPHENYL BENZOATE, 3-HYDROXYPHENYL BE, 1,3-Benzenediol, 1-benzoate
Melting Point132 to 135 C
Boiling Point140C at 0.15 MM
Bulk Density5.7 lb/gal at 20C
Solubility75.2 g/100g acetone at 24C
Solubility<0.1 g/100g n-Hexane at 24C
Solubility27.7 g/100g Ethanol at 24C
Resorcinol Content0.20% min
Volatiles0.5% min
AppearenceWhite Solid
Ash0.5% min
UV Absorbance220 to 290 nm >50%
Assay99.0% min
Solubility<0.1 g/100g benzene at 24C
Solubility<0.1 g/100g Di-(2-ethylhexyl)phthalate at 24C
Initial melting point133C min
Insolubilityin water, benzene
Molecular weight214.23
Specific gravity1.0

Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine

CAS187393-00-6
FormulaC38H49N3O5
Synonym2,2’-[6-(4-Methoxyphenyl)-1,3,5-triazine-2,4-di yl]bis[5-[(2-ethylhexyl)oxy]-phenol], BEMT-S, 2,2'-[6-(4-Methoxyphenyl)- 1,3,5-triazine-2,4-diyl] bis{5-[(2-ethylhexyl)oxy]phenol}, Phenol, 2,2-6-(4-methoxyphenyl)-1,3,5-triazine-2,4-diylbis5-(2-ethylhexyl)oxy-, BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE, 2,4-Bis[4-(2-ethylhexyloxy)-2-hydroxyphenyl]-6-(4-methoxyphenyl)-1,3,5-triazine, (6Z)-3-(2-Ethylhexoxy)-6-[(4Z)-4-[4-(2-ethylhexoxy)-6-oxo-1-cyclohexa-2,4-dienylidene]-6-(4-methoxyphenyl)-1H-1,3,5-triazin-2-ylidene]cyclohexa-2,4-dien-1-one, CGF 1607, FAT 70’884, BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE, Tinosorb S Aqua, Bemotrizinol(bis-ethylhexyloxyphenol methoxyphenyl triazine)
Ignition Temperature430&deg;C
Vapor Pressure25&deg;C
Density1.17g/cm3(20&deg;C)
Bulk Density0.65 - 0.7 g/cm3
Solubility in water< 0.014 mg/l (20&deg;C)
Molecular weight627.90
SMILESn1c(nc(nc1c1ccc(cc1)OC)c1ccc(cc1O)OCC(CCCC)CC)c1c(cc(cc1)OCC(CCCC)CC)O
FormPowder
ColorYellowish
OdorOdorless
pH Valueapprox. 7 (1 g/l, 20&deg;C)
Melting Point80.3 - 80.5&deg;C
Flash Point284&deg;C

Phytic Acid Powder

CAS83-86-3
FormulaC6H18O24P6
SynonymInositol Hexaphosporic Acid, Hexaphosphate, myo-Inositol, 1,2,3,4,5,6-hexakis(dihydrogen phosphate), cis-1,2,3,5-trans-4,6-Cyclohexanehexol,1,2,3,4,5,6-hexakis(dihydrogen phosphate)
Density1.58
Direct Evaporative Coolingon heating
inorganic phosphorous<= 0.01%
Chlorides<= 0.01%
As<= 3 ppm
Heavy Metals<= 3 ppm
Assay>= 99.0%
Sulfate<= 0.01%
IdentitySpot Test (IR)
Calcium salts<= 0.003%
AppearanceWhite Powder
Odorodorless
Molecular weight660.06 (sat.)
Solubilitywater, alcohol

Avobenzone

CAS70356-09-1
FormulaC20H22O3
Synonym4-tert-Butyl-4'-methoxy-dibenzoylmethane, 1,3-Propanedione, 1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)-, 1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyp henyl)propane-1,3-dione
Insolubilityin water and hot methanol
Molecular weight310.39
Specific gravity1.037-1.041

Ensulizole

CAS27503-81-7
FormulaC13H10N2O3S
Synonym2-Phenylbenzimidazole-5-sulfonic acid, 1H-Benzimidazole-6-sulfonic acid, 2-phenyl-, 2-Phenyl-1H-benzimidazole-5-sulphonic acid
Molecular weight274.30

2-Isopropylthioxanthone

CAS5495-84-1
FormulaC16H14OS
Synonym2-isopropyl thioxanthone, 2-Isopropyl-thioxanthene-9-on, 9H-Thioxanthen-9-one, 2-(1-methylethyl)-, 9H-Thioxanthen-9-one, 2-(1-methylethyl)-
AppearancePale yellow powder
Ash0.1% max
Assay98% min
Melting Point74~76 degC
Volatiles0.5% max
Clarity10% soluted in Toluene, Clear
Melting Point74~76 degC
Insolubilityin water
Odorchar. odor
Molecular weight254.35

-Methyl-1-(4-Methylthio)phenyl-2-Morpholinyl-1-propanone

CAS71868-10-5
FormulaC15H21NO2S
SynonymPhotocure 907, 907, 1-Propanone, 2-methyl-1-[4-(methylthio)phenyl]-2-(4-morpholinyl)-, 1-Propanone,2-methyl-1-[4-(methylthio)phenyl]-2-(4-morpho linyl)-
Assay99% min
Melting Point72~75 degC
Volatiles0.25% max
Transmittance80.0% (425nm)
AppearanceWhite Powder
Ash0.1% max
Transmittance90.0% (500nm)

Benzil

CAS134-81-6
FormulaC14H10O2
Synonymdibenzoyl, bibenzoyl, diphenylglyoxal, diphenylethanedione, 1,2-Ethanedione, 1,2-diphenyl-
Density1.23 (154 c)
Melting Point94-96 c
AppearanceLight yellow or white crystalline powder
Assay99% min
Melting Range ('C)94~97
Volatiles0.5% max
Ash0.1% max
Vapor Pressure1 mm (128.4 c)
Insolubilityin water
Molecular weight210.23
Solubilityalcohol, ether, chloroform, ethyl acetate, benzene, toluene, nitrobenzene, most org. solvs.
Boiling Point346-348 c (dec.)

Benzoin

CAS119-53-9
FormulaC14H12O2
Synonym2-hydroxy-1,2-di(phenyl)ethanone, 2-hydroxy-2-phenylacetophenone, 2-hydroxy-1,2-diphenylethanone, Ethanone, 2-hydroxy-1,2-diphenyl-, 2-Hydroxy-1,2-diphenyl-ethanone
Slightly Solublein water, ether
Melting Point137 c
Volatality (%)0.5% max
AppearanceLight yellow or white crystalline powder
Assay99.5% min
Melting Range ('C)134~137
Ash, %0.1% max
Odorwh. or ylsh. cryst., sl. camphor odor
Molecular weight212.22
Solubilityacetone, pyridine, hot water
Boiling Point344 c (163 mm)

Acryloyl Morpholine

CAS5117-12-4
FormulaC7H11NO2
Synonympoly(acryloylmorpholine), 2-Propen-1-one, 1-(4-morpholinyl)-
Density1.122 gml
Melting Point-8 c
Refractive Index1.512
Molecular weight141.17
Colorcolorless to yellow liquid
Flash Point127 c

Xanthone

CAS90-47-1
FormulaC13H8O2
SynonymBenzophenone oxide, 9-Oxoxanthene, 9H-Xanthen-9-one

2-Hydroxy-2-Methyl-Phenyl-Propane-1-One

CAS7473-98-5
FormulaC10H12O2
SynonymPhotocure, 1-Propanone, 2-hydroxy-2-methyl-1-phenyl-, 1-Propanone, 2-Hydroxy-2-Methyl-1-Phenyl-
Boiling Point80~81 C/0.1mmHG
Melting PointN/A
Assay99% Min.
UV Absorbance253/335
AppearanceLight yellow and clear liquid
Volatiles0.2% max
Refractive Index1.5330 (20 c)
Molecular weight164.2
Colorcolorless clear to light yellow liquid
Flash Point110 c
Specific gravity1.077

Photocure TPO-L

CAS84434-11-7
Synonym2,4,6-Trimethylbenzoylphenyl phosphinic acid ethyl ester
Density1.1 gcm3 (20 c)
Sparingly Solublein water
Ignition Temperature380 c
UV Absorbance380 Max.
Assay95% Min.
AppearanceYellow Liquid
Melting PointN/A
Flash Point184 c
Odorfaint char. odor

Photocure 393

CAS17025-47-7
SynonymBMPS, Phenyl tribromomethyl sulfone, Benzene, [(tribromomethyl)sulfonyl]-
UV Absorbance269 Max
Melting Point142 deg C
AppearanceWhite Crystalline Powder
Assay98.5% Min.
Molecular weight392.89

Photocure 900

CAS7189-82-4
Synonym1H-Imidazole, 2-(2-chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenyl-2H-imidazol-2-yl]-4,5-diphenyl-
Melting Point195 - 205 deg C
UV Absorbance263 Max
Assay99% Min.
AppearanceYellow Crystalline Powder

UV-120

CAS4221-80-1
FormulaC29H42O3
Synonym2',4'-Di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate, Benzoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, 2,4-bis(1,1-dimethylethyl)phenyl ester
Loss on Drying0.5% Max.
Assay99% Min.
Ash Content0.1% Max.
Molecular weight438.7
Melting Point194-199 deg C
AppearanceWhite crystalline powder

UV-360

CAS103597-45-1
FormulaC41H50N6O2
SynonymBis-[2-Hydroxy-5-t-octyl-3-(benzotriazol-2-yl)-phenyl) methane, Phenol, 2,2'-methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)-, 2,2'-Methylene-bis-(6-(2H-benzotriazol-2-yl)-4- (1,1,3,3-tetramethylbutyl)phenol)
Melting Point195 deg C
AppearanceOff white to light yellow crystalline powder
Loss on Drying0.5% Max.
Transmittance450nm 96% Min.
Molecular weight658.89
Assay98% Min.

UV-2908

CAS67845-93-6
FormulaC31H54O3
SynonymHexadecyl 3,5-di-t-butyl-4-hydroxybenzoate, Benzoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, hexadecyl ester
Ash Content0.1% Max.
AppearanceWhite Crystalline Powder
Melting Point58 deg C Min.
Molecular weight475
Toluene Insolubles0.1% Max.
Assay98% Min.
Loss on Drying0.5% Max.

UV-3638

CAS18600-59-4
FormulaC22H12N2O4
Synonym2,2'-(1,4-Phenylene)bis[4H-3,1-Benzoxazin-4-one], 4H-3,1-Benzoxazin-4-one, 2,2'-(1,4-phenylene)bis-
AppearanceWhite to off white crystalline powder
Molecular weight369
Ash Content0.1% Max.
Melting Point310 deg C Min.
Assay98% Min.
Loss on Drying0.5% Max.

Photocure TPO

CAS75980-60-8
Synonym2,4,6-Trimethylbenzoyldiphenylphosphineoxide, Methanone, (diphenylphosphinyl)(2,4,6-trimethylphenyl)-, diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
Melting Point91-94&#8451
Loss on Drying&#8804; 0.5%
Clarity (10 g/100 ml Toluene)Clear solution
Assay&#8805; 98%
UV Absorption273-370 NM
Acid Value, mg KOH/g&#8804; 4
Molecular weight348.37
AppearancePale Yellow Crystal or Power
Purity&#8805; 99.0

AO-626

CAS26741-53-7
FormulaC33H50O6P2
SynonymBis (2,4-di-tert-butylphenyl) pentaerythritol diphosphite, 2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis[2,4-bis(1,1-dimethylethyl)phenoxy]-
Acid Number (mg KOH/g)1.0% Max.
Loss on Drying1.0% Max.
Molecular weight604.69
Melting Point160 deg C Min.
AppearanceWhite crystalline powder
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