Benzophenone-4 CAS 4065-45-6

CAS:CAS: 406-45-6

Molecular Formula:C14H12O6S

Molecular Luj:308.31 Nws

EINECS:223-772-2

Synonyms:Uvisat 1121; UV ABSORBER HMBS; 5-BENZOYL-4-HYDROXY-2-METHOXYBENZENESULFONIC ACID; TIMTEC-BB SBB002961; SULISOBENZONE; spectra-sorb uv 284; 2-PHENTHO-5-HYDROX ID; Uv absorber BP- 4 (UV-284); 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid bp-4; benzophenone 4 hauv kev tu tawv nqaij; benzophenone-4 rau daim tawv nqaij; uv-284 manufacturers

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CAS 4065-45-6 Benzophenone-4 yog dab tsi?

UV absorber BP-4 belongs rau benzophenone chav kawm ntawm cov tebchaw. Benzophenone-4 yog hmoov dawb los yog lub teeb daj ntawm chav tsev kub, uas tuaj yeem nqus tau 285 ~ 325Im ntawm ultraviolet lub teeb. Benzophenone-4 yog ib hom dav spectrum ultraviolet absorber nrog siab nqus tus nqi, tsis muaj tshuaj lom, tsis muaj photosensitization, tsis muaj teratogenicity, thiab zoo lub teeb thiab kub stability. BP-4 yog siv dav hauv tshuaj pleev thaiv hnub, zib ntab, tshuaj pleev, roj thiab lwm yam tshuaj pleev ib ce.

Specification

Yam khoom	STANDARD
Qhov tshwm sim	Off-White hmoov
Purity (HPLC)	99.50% min
Melting Point Deg.C	160.0 ℃ min
qhuav poob	2.0% max
PH, 1% Aqueous Solution @ 25C	1.20-2.20 Nws
Gardner xim (10%	4.0 max
	16.0 NTU max
UV absorbance E1% cm, hauv dej max.285nm	460 min
UV absorbance E1% cm, hauv dej ntawm max.325nm	290 nqi
K-Tus nqi @ 285nm, L / g-cm	46.0-50.0 Nws
Heavy hlau li Pb	20 ppm max

Daim ntawv thov

1.Ua tus neeg sawv cev tiv thaiv UV, nws muaj qhov zoo tiv thaiv kev laus thiab softening los ntawm paj rwb thiab polyester fibers.
2. BP-4 dav siv los tiv thaiv ultraviolet finishing agent nyob rau hauv cov tshuaj pleev ib ce tshuaj pleev ib ce xws li tshuaj pleev thaiv hnub, cream, zib mu, tshuaj pleev ib ce, roj, thiab lwm yam
3. BP-4 kuj tuaj yeem siv los ua UV absorber hauv lwm cov dej-soluble inks, coatings, thiab lwm yam.