{"id":3736,"date":"2025-09-24T15:59:58","date_gmt":"2025-09-24T07:59:58","guid":{"rendered":"https:\/\/www.honorpigments.com\/?post_type=product&p=3736"},"modified":"2026-02-25T11:44:24","modified_gmt":"2026-02-25T03:44:24","slug":"optical-brightener-ob","status":"publish","type":"product","link":"https:\/\/www.honorpigment.com\/ro\/produs\/optical-brightener-ob\/","title":{"rendered":"Optical Brightener OB"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Product<\/b><\/strong>\u00a0Nume \u0219i prenume<\/b><\/strong><\/td>\nOptical<\/b><\/strong>\u00a0brightener<\/b><\/strong>\u00a0OB<\/b><\/strong>\u00a0(<\/b><\/strong>C<\/b><\/strong>.<\/b><\/strong>I<\/b><\/strong>.<\/b><\/strong>\u00a0184<\/b><\/strong>\u00a0\/<\/b><\/strong>\u00a0C<\/b><\/strong>.<\/b><\/strong>I<\/b><\/strong>.28<\/b><\/strong>\u00a0)<\/b><\/strong><\/td>\n<\/tr>\n
MF<\/td>\nC26H26N2O2S<\/td>\n<\/tr>\n
EINECS\u00a0No<\/td>\n230-426-4<\/td>\n<\/tr>\n
CAS\u00a0No<\/td>\n7128-64-5, 4404-43-7<\/td>\n<\/tr>\n
Chemical\u00a0\u00a0\u00a0Name<\/td>\n2,5-bis(5-tert-butyl\u00a0benzoxazoly-2\u2019-)thiophene<\/td>\n<\/tr>\n
Aspect<\/td>\nLight\u00a0green\u00a0powder<\/td>\n<\/tr>\n
Purit<\/b><\/strong>y<\/b><\/strong><\/td>\n\u2265<\/b><\/strong>98%<\/b><\/strong><\/td>\n<\/tr>\n
Melting\u00a0point<\/td>\n198~202 \u00b0C<\/td>\n<\/tr>\n
Volatile:<\/td>\n<0.5%<\/td>\n<\/tr>\n
Package<\/td>\n20kg\u00a0per\u00a0carton, 25\/30kg\u00a0per\u00a0fiber\u00a0drum\u00a0with\u00a0PE\u00a0liner, or\u00a0as\u00a0per the\u00a0customers’ requirements.<\/td>\n<\/tr>\n
Applications:<\/p>\n

It<\/b><\/strong>\u00a0is<\/b><\/strong>\u00a0widely<\/b><\/strong>\u00a0used<\/b><\/strong>\u00a0in<\/b><\/strong>\u00a0thermoplastic<\/b><\/strong>\u00a0such<\/b><\/strong>\u00a0as<\/b><\/strong>\u00a0PVC<\/b><\/strong>,<\/b><\/strong>\u00a0PE<\/b><\/strong>,<\/b><\/strong>\u00a0PP<\/b><\/strong>,<\/b><\/strong>\u00a0ABS<\/b><\/strong>,<\/b><\/strong>\u00a0PS<\/b><\/strong>,<\/b><\/strong>\u00a0and<\/b><\/strong>\u00a0unsaturated<\/b><\/strong>\u00a0resin<\/b><\/strong>\u00a0and<\/b><\/strong>\u00a0paint<\/b><\/strong>,<\/b><\/strong>\u00a0ink<\/b><\/strong>\u00a0and<\/b><\/strong>\u00a0oil<\/b><\/strong>\u00a0soluble<\/b><\/strong>\u00a0coatings<\/b><\/strong>.<\/b><\/strong><\/td>\n<\/tr>\n

Properties:<\/p>\n

The\u00a0product\u00a0is\u00a0light\u00a0green\u00a0or\u00a0green\u00a0powder, non-toxic\u00a0and\u00a0tasteless, can\u00a0dissolve\u00a0in \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0alkane,\u00a0fat, mineral\u00a0oil, paraffin\u00a0and\u00a0most\u00a0organic\u00a0solvents, the\u00a0absorption\u00a0spectra\u00a0of\u00a0the largest\u00a0value\u00a0for\u00a0375 mm\u00a0(in\u00a0ethanol).<\/td>\n<\/tr>\n

Dozaj<\/b><\/strong>:<\/b><\/strong><\/p>\n

PVC\u00a0whitening: 0.01~0.05%;\u00a0Polystyrene\u00a0:0001~0.001%;<\/p>\n

Polyolefin\u00a0matrix: 0.0005~0.001%<\/p>\n

 <\/p>\n

Printing ink: 0.05- 0.5%<\/td>\n

 <\/p>\n

to\u00a0improve\u00a0the\u00a0light\u00a0intensity: 0.0001~0.001%\u00a0ABS:0.01~0.05%;<\/p>\n

White\u00a0matrix: 0.005~0.05%<\/p>\n

 <\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

CAS No.: 7128-64-5, 4404-43-7<\/p>\n

Molecular Formula: C26H26N2O2S<\/p>\n

Application: used<\/b><\/strong>\u00a0in<\/b><\/strong>\u00a0thermoplastic<\/b><\/strong>\u00a0such<\/b><\/strong>\u00a0as<\/b><\/strong>\u00a0PVC<\/b><\/strong>,<\/b><\/strong>\u00a0PE<\/b><\/strong>,<\/b><\/strong>\u00a0PP<\/b><\/strong>,<\/b><\/strong>\u00a0ABS<\/b><\/strong>,<\/b><\/strong>\u00a0PS<\/b><\/strong>,<\/b><\/strong>\u00a0and<\/b><\/strong>\u00a0unsaturated<\/b><\/strong>\u00a0resin<\/b><\/strong>\u00a0and<\/b><\/strong>\u00a0paint<\/b><\/strong>,<\/b><\/strong>\u00a0ink<\/b><\/strong>\u00a0and<\/b><\/strong>\u00a0oil<\/b><\/strong>\u00a0soluble<\/b><\/strong>\u00a0coatings<\/b><\/strong><\/p>","protected":false},"featured_media":3728,"template":"","meta":[],"product_brand":[],"product_cat":[111,59],"product_tag":[112],"class_list":{"0":"post-3736","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ob","7":"product_cat-additives","8":"product_tag-optical-brightener-ob","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.honorpigment.com\/ro\/wp-json\/wp\/v2\/product\/3736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.honorpigment.com\/ro\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.honorpigment.com\/ro\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/www.honorpigment.com\/ro\/wp-json\/wp\/v2\/product\/3736\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.honorpigment.com\/ro\/wp-json\/wp\/v2\/media\/3728"}],"wp:attachment":[{"href":"https:\/\/www.honorpigment.com\/ro\/wp-json\/wp\/v2\/media?parent=3736"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ro\/wp-json\/wp\/v2\/product_brand?post=3736"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ro\/wp-json\/wp\/v2\/product_cat?post=3736"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ro\/wp-json\/wp\/v2\/product_tag?post=3736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}