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BP-12

2-hydroxy-4-(octyloxy)benzophenone

CAS: 1843-05-6

Molecular Formula: C21H26O3

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BP-12 - Names and Identifiers

Name 2-hydroxy-4-(octyloxy)benzophenone
Synonyms BP-12
UV 531
UV-531
Octabenzone
CHIMASSORB 81
BENZOPHENONE-12
UV Abosorber 531
Ultraviolet absorbent UV-531
2-HYDROXY-4-N-OCTOXYBENZOPHENONE
2-Hydroxy-4-n-octoxy Benzophenone
2-Hydroxy-4-Octyloxy Benzophenone
2-hydroxy-4-(octyloxy)benzophenone
2-HYDROXY-4-N-OCTYLOXYBENZOPHENONE
2-HYDROXY-4-(OCTYLOXY)BENZOPHENONE
Ultraviolet Absorbent UV-531(BP-12)
2-HYDROXY-4-(OCTYLOXYL)-BENZOPHENONE
[2-Hhydroxy-4-(octyloxy)phenyl]phenylmethanone
CAS 1843-05-6
EINECS 217-421-2
InChI InChI=1/C21H26O3/c1-2-3-4-5-6-10-15-24-18-13-14-19(20(22)16-18)21(23)17-11-8-7-9-12-17/h7-9,11-14,16,22H,2-6,10,15H2,1H3
InChIKey QUAMTGJKVDWJEQ-UHFFFAOYSA-N

BP-12 - Physico-chemical Properties

Molecular FormulaC21H26O3
Molar Mass326.43
Density1.160g/cm3
Melting Point47-49°C(lit.)
Boling Point424.46°C (rough estimate)
Flash Point102℃
Solubility Chloroform (Slightly), Methanol (Slightly, Sonicated)
Vapor Presure5.25E-09mmHg at 25°C
Appearanceyellowish-like powder
Specific Gravity1.160
ColorOff-White to Light Yellow Low-Melting
Merck14,6742
BRN1915198
pKa7.59±0.35(Predicted)
Storage ConditionSealed in dry,Room Temperature
Refractive Index1.6000 (estimate)
MDLMFCD00027327
Physical and Chemical Properties

pale yellow crystals or white powder. Soluble in benzene, hexane, acetone, slightly soluble in ethanol, slightly soluble in dichloroethane.

UseMainly used as polyethylene, polypropylene, polyvinyl chloride, polyurethane rubber and other synthetic materials of light stabilizers

BP-12 - Risk and Safety

Risk CodesR36/37/38 - Irritating to eyes, respiratory system and skin.
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R43 - May cause sensitization by skin contact
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. 
S60 - This material and its container must be disposed of as hazardous waste.
S36/37 - Wear suitable protective clothing and gloves.
UN IDsUN 3077 9/PG 3
WGK Germany1
RTECSDJ1595000
TSCAYes
HS Code29145090
ToxicityLD50 oral in rat: > 10gm/kg

BP-12 - Upstream Downstream Industry

Raw MaterialsResorcinol
1-Chlorooctane
Ethyl Alcohol

BP-12 - Reference Information

NIST chemical information Information provided by: webbook.nist.gov (external link)
EPA chemical information Information provided by: ofmpub.epa.gov (external link)
benzophenone ultraviolet absorber ultraviolet absorber UV-531 belongs to benzophenone ultraviolet absorber, chemical name 2-hydroxy-4-n-octanoxy benzophenone, light yellow needle-like crystalline powder at room temperature, is a high-efficiency anti-aging additive with excellent performance, can strongly absorb 270 ~ 340nm ultraviolet light, it has the characteristics of light color, non-toxic, good compatibility, low mobility and easy processing. It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber and ethylene vinyl acetate. And for dry phenolic and alkyd varnishes, polyurethane, acrylic, epoxy and other air drying products and automotive finishing paint, powder coatings, polyurethane, rubber products, etc., it provides them with good light stabilization effect. Dosage 0.1%-0.5%. Ultraviolet absorber UV-531 has excellent protective effect on polymers, and helps to reduce color, while delaying yellowing of materials and preventing loss of physical properties. UV-531 has good compatibility with polyolefin, has low volatility, can effectively prevent losses in the processing process, and has no effect on the odor of the product itself, has excellent compatibility with thermoplastic resin, and can be evenly distributed in the polymer during processing. Ultraviolet absorbers are UV-531 in powder and flake forms. The flaky UV531 is easy to add in use, can reduce dust flying, is relatively environmentally friendly, and reduces the processing difficulty, so it is widely used.
reference quality standard appearance: light yellow needle crystalline powder content: ≥ 99% melting point: 47-49 c ash:<0.1% light transmittance: 450nm>90% 500nm>95% solubility (25 c)(g/100g solvent): acetone: 74 benzene: 72 methanol: 2 ethanol (95%):2.6 n-heptane: 40 n-hexane: 40.1 methyl ethyl ketone> 60 ethyl acetate> 50 DOP >20
uses and characteristics ultraviolet absorber UV-531 is a high-efficiency anti-aging aid with excellent performance. it can absorb 240-340 nm ultraviolet light and has the characteristics of light color, non-toxicity, good compatibility, low mobility and easy processing. It has the greatest protective effect on polymers, and helps to reduce color, while delaying yellowing and blocking the loss of physical properties. It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber and ethylene vinyl acetate. And for dry phenolic and alkyd varnishes, polyurethane, acrylic, epoxy and other air drying products and automotive finishing paint, powder coatings, polyurethane, rubber products, etc., it provides them with good light stabilization effect. Dosage 0.1%-0.5%.
ultraviolet absorber UV-531 ultraviolet absorber used in polymers and vinyl products, it can strongly absorb ultraviolet rays of 300 ~ 375nm. High and low density polyethylene: pipes, plastic greenhouses (combined with LOWILITEQ84 can obtain enhanced effect, with high efficiency and pesticide resistance). Polypropylene (fiber grade, etc.) polyolefin copolymer (EPR, EPDM, EVA...) PVC, polyester, artificial resin, PS, ABS. UV-531 is standard for food packaging materials in many countries. The general dosage is 0.2 ~ 0.6%. In order to prevent caking, the UV-531 should be transported and stored at 30~35 ℃.
store avoid yang, high light, moisture, and avoid light stabilizers containing sulfur or halogen elements. It needs to be stored under sealed, dry and dark conditions.
application mainly used as light stabilizer for polyethylene, polypropylene, polyvinyl chloride, polyurethane rubber and other synthetic materials
widely used in PE, PVC, PP, PS, PC, polycarbonate, plexiglass, polypropylene fiber and ethylene acetic acid and other aspects. And for dry phenolic and alkyd varnishes, polyurethane, acrylic, epoxy and other air drying products and automotive finishing paint, powder coatings, rubber and other products, it provides them with good light stabilization effect. Dosage 0.1-0.5%.
production method the mixture of 2, 4-dihydroxybenzophenone, 1-bromon-octane, acetone and potassium carbonate is heated and reacted, filtered, concentrated, cooled, filtered, concentrated, cooled and filtered, and the obtained crude product is recrystallized with ethanol. Got to UV-531. Raw material consumption quota: 2,4-dihydroxybenzophenone 935kg/t, 1-bromon-octane 1265kg/t, potassium carbonate (95.5%)910kg/t, acetone 1040kg/t.
toxic substance data information provided by: pubchem.ncbi.nlm.nih.gov (external link)
Last Update：2024-04-09 20:45:29
BP-12
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JIANGSU BSECHEM CHEMICAL TECHNOLOGY CO., LTD.
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JIANGSU BSECHEM CHEMICAL TECHNOLOGY CO., LTD.
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CAS: 1843-05-6
Tel: +86-17551318830
Email: r@reformchem.com
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Nantong Reform Petro-Chemical CO., LTD.
Spot supply
Product Name: 2-hydroxy-4-(octyloxy)benzophenone Request for quotation
CAS: 1843-05-6
Tel: +86-17551318830
Email: r@reformchem.com­
Mobile: +86-17551318830
QQ: 3785839865 Click to send a QQ messageSend QQ message
Guangzhou Yuanda New Material Co.,Ltd
Product Name: Octabenzone Request for quotation
CAS: 1843-05-6
Tel: +86 19849939632
Email: 2470479589@qq.com
Mobile: +86 19849939632
QQ: 2470479589 Click to send a QQ message
Wechat: +86 19849939632
Hefei TNJ Chemical Industry Co.,Ltd.
Product Name: 2-hydroxy-4-(octyloxy)benzophenone Request for quotation
CAS: 1843-05-6
Tel: 0086-551-65418684
Email: sales@tnjchem.com
　　　　 info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840 Click to send a QQ message
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
Wuhan Xingzhongcheng Chemical limited company
Spot supply
Product Name: 2-hydroxy-4-(octyloxy)benzophenone Request for quotation
CAS: 1843-05-6
Tel: 86+027-83389957
Email: 1024042217@qq.com
Mobile: 86+18627766980
QQ: 1024042217 Click to send a QQ message
Wechat: 18627766980
Shanghai Yuanye Bio-Technology Co., Ltd.
Spot supply
Product Name: 2-Hydroxy-4-(octyloxy)benzophenone Visit Supplier Webpage Request for quotation
CAS: 1843-05-6
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409 Click to send a QQ message
Wechat: 18301782025
Xiangyang King Success Chemical Co.,ltd
Product Name: Benzophenone-12 Request for quotation
CAS: 1843-05-6
Tel: 0710-3510276
Email: service@chembk.com
Mobile: 18871066873
QQ: 331508397 Click to send a QQ messageSend QQ message
Yantai Sunshow Chemical Technology Co. Ltd.
Product Name: 2-hydroxy-4-(octyloxy)benzophenone Request for quotation
CAS: 1843-05-6
Tel: 0535-6375568
Email: info@sunshows.com.cn
Mobile: 15653888531
QQ: 601387066 Click to send a QQ messageSend QQ message
XiangYang King Success Fine Chemical co., ltd.
Product Name: UV-531/BP-12 Request for quotation
CAS: 1843-05-6
Tel: 0710-3510276
Email: sales_kingsuccess@163.com
Mobile: 19871282568
QQ: 2141489266 Click to send a QQ messageSend QQ message
Wuhan Shuer Biological Technology Co., Ltd.
Product Name: Octabenzone Request for quotation
CAS: 1843-05-6
Tel: 13277972784
Email:
Mobile: 13277972784
QQ: 823370255 Click to send a QQ messageSend QQ message
View History
BP-12
Raw Materials for BP-12
Resorcinol
1-Chlorooctane
Ethyl Alcohol
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