{"id":6316,"date":"2023-12-05T09:56:52","date_gmt":"2023-12-05T09:56:52","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&p=6316"},"modified":"2026-05-08T08:26:26","modified_gmt":"2026-05-08T08:26:26","slug":"chlumiao-mtbhq-cas-1948-33-0-industrial-grade","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-mtbhq-cas-1948-33-0-industrial-grade\/","title":{"rendered":"CHLUMIAO\u00ae MTBHQ \/ 2-terc-butil-hidroquinona CAS 1948-33-0 Grau industrial"},"content":{"rendered":"

Antioxidante MTBHQ \/ 2-terc-butil-hidroquinona CAS 1948-33-0 Grau industrial<\/strong><\/h2>\n

1. O MTBHQ pode ser usado como antioxidante para subst\u00e2ncias org\u00e2nicas l\u00edquidas inst\u00e1veis, como hidrocarbonetos halogenados, \u00f3leos e gorduras (ceras), \u00e9teres, alde\u00eddos ou em produtos que contenham esses componentes. Geralmente \u00e9 adicionado a 0,01%-1,0%, e seu efeito antioxidante \u00e9 significativamente maior do que o da hidroquinona.<\/p>\n

2. O MTBHQ n\u00e3o \u00e9 apenas um estabilizador de armazenamento eficaz para resinas de poli\u00e9ster insaturado e outros compostos org\u00e2nicos polimeriz\u00e1veis, mas tamb\u00e9m um estabilizador para resinas altamente reativas. a. Tem uma fun\u00e7\u00e3o abrangente e pode desempenhar um bom papel em uma ampla faixa de temperaturas, e ainda tem um bom efeito de bloqueio de polimeriza\u00e7\u00e3o a uma alta temperatura de 114\u00b0C, produzindo apenas um leve prolongamento da cura das resinas quando a temperatura \u00e9 elevada. b. Pode ser usado em pultrus\u00e3o de cura de alta temperatura, extrus\u00e3o, alde\u00eddos ou produtos que contenham esses ingredientes. No tipo de pultrus\u00e3o com cura em alta temperatura, a resina de moldagem pode refletir o excelente efeito de bloqueio [e o \"terc-butil catecol\", por decomposi\u00e7\u00e3o t\u00e9rmica, perder\u00e1 o efeito de bloqueio e at\u00e9 mesmo afetar\u00e1 a cor da resina]. O MTBHQ forma um sistema de bloqueio de polimeriza\u00e7\u00e3o junto com o oxig\u00eanio e desempenha um bom papel no bloqueio da polimeriza\u00e7\u00e3o [enquanto a \"hidroquinona\" n\u00e3o funciona em um ambiente com defici\u00eancia de oxig\u00eanio].C. O produto tem boa solubilidade, n\u00e3o polui os produtos de poli\u00e9ster e pode reagir com radicais livres rapidamente para obter o efeito de bloqueio da polimeriza\u00e7\u00e3o. A resina de poli\u00e9ster insaturada como substrato do adesivo de resina sint\u00e9tica, devido \u00e0 sua forte capacidade adesiva, r\u00e1pida velocidade de umedecimento, viscosidade, \u00e9 amplamente utilizada como fita adesiva sens\u00edvel \u00e0 press\u00e3o, se a f\u00f3rmula adicionar 0,5% de MTBHQ como estabilizadores de luz e calor, pode ser uma boa maneira de evitar o envelhecimento do agente adesivo causado pelo decl\u00ednio da for\u00e7a adesiva.<\/p>\n

3. O MTBHQ \u00e9 um agente antiolho-de-peixe eficaz: No processo de polimeriza\u00e7\u00e3o do cloreto de vinila, se a velocidade da rea\u00e7\u00e3o de polimeriza\u00e7\u00e3o for muito r\u00e1pida, algumas part\u00edculas n\u00e3o ser\u00e3o plastificadas, de modo que se formar\u00e3o \"espinhas\" e \"cristais brilhantes\" nos produtos de PVC, comumente conhecidos como \"olho de peixe\". \"O uso razo\u00e1vel do MTBHQ reduzir\u00e1 muito o n\u00famero de olhos de peixe nos produtos.<\/p>\n

4. O MTBHQ pode ser usado como intermedi\u00e1rio farmac\u00eautico e em outras s\u00ednteses org\u00e2nicas: O MTBHQ tem um grupo fenol impedido.<\/p>\n

5. O MTBHQ pode ser usado como estabilizador para corantes e inseticidas.<\/p>\n

6. O MTBHQ pode ser usado como antioxidante de \u00f3leo industrial, graxa, \u00e9ster de \u00e1cido graxo, \u00f3leo de linha\u00e7a, etc.<\/p>\n

7. O MTBHQ pode ser usado como antioxidante de pigmentos, corantes e intermedi\u00e1rios farmac\u00eauticos, al\u00e9m de ser um novo tipo de bloqueador de polimeriza\u00e7\u00e3o e antioxidante: quando h\u00e1 radicais livres, ele pode reagir com os radicais livres para consumi-los.<\/p>\n

Outro nome:<\/strong><\/h2>\n

Mono-tert-butil-hidroquinona;<\/p>\n

Tert Butyl Hydro Quinone;<\/p>\n

2-terc-butilbenzeno-1,4-diol;<\/p>\n

Eastma MTBHQ;<\/p>\n

<\/h2>\n

Entre em contato conosco agora!<\/b><\/strong><\/h2>\n

Se precisar do Price, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Normalmente, entraremos em contato dentro de 24 horas. Voc\u00ea tamb\u00e9m pode me enviar um e-mail\u00a0info@longchangchemical.com<\/span><\/a>\u00a0durante o hor\u00e1rio comercial (das 8h30 \u00e0s 18h UTC+8 de segunda a s\u00e1bado) ou use o bate-papo ao vivo do site para obter uma resposta imediata.<\/b><\/strong><\/h4>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Produtos de formula\u00e7\u00e3o<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1135<\/span><\/a><\/td>\nCAS 125643-61-0<\/td>\nIrganox 1135 \/ Antioxidante 1135<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1425<\/span><\/a><\/td>\nCAS 65140-91-2<\/td>\nIrganox 1425 \/ Dragonox 1425 \/ Antioxidante 1425 \/ BNX 1425<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1726<\/span><\/a><\/td>\nCAS 110675-26-8<\/td>\nAntioxidante 1726 \/ Irganox 1726 \/ Omnistab AN 1726<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 3052<\/span><\/a><\/td>\nCAS 61167-58-6<\/td>\nIRGANOX 3052 \/ Acrilato de 4-metilfenila \/ Antioxidante 3052<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 5057<\/span><\/a><\/td>\nCAS 68411-46-1<\/td>\nIrganox 5057 \/ Antioxidante 5057 \/ Omnistab AN 5057<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 697<\/span><\/a><\/td>\nCAS 70331-94-1<\/td>\nAntioxidante 697 \/ Irganox 697 \/ Naugard XL-1 \/ Antioxidante 697<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 80<\/span><\/a><\/td>\nCAS 90498-90-1<\/td>\nIrganox 80 \/ Antioxidante 80<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1024<\/span><\/a><\/td>\nCAS 32687-78-8<\/td>\nIrganox 1024 \/ Antioxidante 1024<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1035<\/span><\/a><\/td>\nCAS 41484-35-9<\/td>\nIrganox 1035 \/ Antioxidante 1035<\/td>\n<\/tr>\n
CHLUMIAO\u00ae HE-S01\/N40<\/span><\/a><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae HN-55\/70\/80\/502\/510\/514\/516\/602<\/span><\/a><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae HC-30\/100<\/span><\/a><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae HO-17\/17EH<\/span><\/a><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae HS-502\/503\/504\/603\/605\/608\/101<\/span><\/a><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Antioxidantes de fosfito<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 168<\/span><\/a><\/td>\nCAS 31570-04-4<\/td>\nIrganox 168 \/ Antioxidante 168<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 626<\/span><\/a><\/td>\nCAS 26741-53-7<\/td>\nUltranox 626 \/ Irgafos 126<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1790<\/span><\/a><\/td>\nCAS 40601-76-1<\/td>\nAntioxidante 1790\/ Cyanox 1790 \/ Irganox 1790<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 245<\/span><\/a><\/td>\nCAS 36443-68-2<\/td>\nIrganox 245 \/ Antioxidante 245<\/td>\n<\/tr>\n
Fosfitos de alto desempenho<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1500<\/span><\/a><\/td>\nCAS 96152-48-6<\/td>\nAntioxidante 1500<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 4500<\/span><\/a><\/td>\nCAS 13003-12-8<\/td>\nAntioxidante 4500<\/td>\n<\/tr>\n
CHLUMIAO\u00ae PDP<\/span><\/a><\/td>\nCAS 80584-86-7<\/td>\nPowerNox DHOP \/ Antioxidante DHOP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 618<\/span><\/a><\/td>\nCAS 3806-34-6<\/td>\nAntioxidante 618<\/td>\n<\/tr>\n
CHLUMIAO\u00ae DLP<\/span><\/a><\/td>\nCAS 21302-09-0<\/td>\nAntioxidante DLP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae DPP<\/span><\/a><\/td>\nCAS 4712-55-4<\/td>\nAntioxidante DPP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae DTDP<\/span><\/a><\/td>\nCAS 36432-46-9<\/td>\nAntioxidante DTDP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae THOP<\/span><\/a><\/td>\nCAS 80584-85-6<\/td>\nAntioxidante THOP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae TNPP<\/span><\/a><\/td>\nCAS 26523-78-4<\/td>\nAntioxidante TNPP \/ Tris(nonilfenil) fosfito<\/td>\n<\/tr>\n
CHLUMIAO\u00ae PEP-36<\/span><\/a><\/td>\nCAS 80693-00-1<\/td>\nAntioxidante 636 \/ Antioxidante 636<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 9228<\/span><\/a><\/td>\nCAS 154862-43-8<\/td>\nIrganox 9228 \/ Antioxidante 9228<\/td>\n<\/tr>\n
CHLUMIAO\u00ae PEPQ<\/span><\/a><\/td>\nCAS 119345-01-6<\/td>\nHostanox PEPQ \/ Antioxidante PEPQ<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Fosfitos de baixa impureza<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae DPOP<\/span><\/a><\/td>\nCAS 15647-08-2<\/td>\nFosfito de 2-etil-hexil difenil<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 8621<\/span><\/a><\/td>\nCAS 68123-00-2<\/td>\nAntioxidante 8621<\/td>\n<\/tr>\n
CHLUMIAO\u00ae DPDP<\/span><\/a><\/td>\nCAS 26544-23-0<\/td>\nAntioxidante DPDP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae PDDP<\/span><\/a><\/td>\nCAS 25550-98-5<\/td>\nAntioxidante PDDP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae PDOP<\/span><\/a><\/td>\nCAS 3164-60-1<\/td>\nAntioxidante PDOP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae TPP<\/span><\/a><\/td>\nCAS 101-02-0<\/td>\nAntioxidante TPP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae Poly(dicyclopentadiene-co-p-cresol)<\/span><\/a><\/td>\nCAS 68610-51-5<\/td>\nPoli(diciclopentadieno-co-p-cresol)<\/td>\n<\/tr>\n
CHLUMIAO\u00ae SEED<\/span><\/a><\/td>\nCAS 42774-15-2<\/td>\nAntioxidante SEED \/ Omnistab LS 5519 \/ Estabilizador de Luz 856<\/td>\n<\/tr>\n
Antioxidantes fen\u00f3licos inibidos<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 264<\/span><\/a><\/td>\nCAS 128-37-0<\/td>\nAntioxidante 264 \/ Butylated hydroxytoluene<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 2,6-Di-tert-butilfenol<\/span><\/a><\/td>\nCAS 128-39-2<\/td>\n2,6-Di-tert-butilfenol<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 300<\/span><\/a><\/td>\nCAS 96-69-5<\/td>\nIrganox 300 \/ Antioxidante 300<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 2246<\/span><\/a><\/td>\nCAS 119-47-1<\/td>\nIrganox 2246 \/ BNX 2246<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1222<\/span><\/a><\/td>\nCAS 976-56-7<\/td>\nAntioxidante 1222 \/ Irganox 1222<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 702<\/span><\/a><\/td>\nCAS 118-82-1<\/td>\nIrganox 702 \/ Antioxidante 702 \/ Ethanox 702<\/td>\n<\/tr>\n
CHLUMIAO\u00ae DBHQ<\/span><\/a><\/td>\nCAS 88-58-4<\/td>\nAntioxidante DTBHQ<\/td>\n<\/tr>\n
CHLUMIAO\u00ae MTBHQ<\/span><\/a><\/td>\nCAS 1948-33-0<\/td>\n2-terc-butil-hidroquinona Grau industrial<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1076<\/span><\/a><\/td>\nCAS 2082-79-3<\/td>\nIrganox 1076 \/ Antioxidante 1076<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1010<\/span><\/a><\/td>\nCAS 6683-19-8<\/td>\nIrganox 1010 \/ Antioxidante 1010<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1330<\/span><\/a><\/td>\nCAS 1709-70-2<\/td>\nIrganox 1330 \/ Ethanox 330<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1520<\/span><\/a><\/td>\nCAS 110553-27-0<\/td>\nIrganox 1520 \/ Antioxidante 1520<\/td>\n<\/tr>\n
Fosfitos livres de fenol Antioxidantes<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 8608<\/span><\/a><\/td>\nCAS 26544-27-4<\/td>\nAntioxidante AO DPD \/ Everaox 202<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 430<\/span><\/a><\/td>\nCAS 36788-39-3<\/td>\nAntioxidante 430 \/ WESTON 430<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 8608T<\/span><\/a><\/td>\nCAS 1334238-11-7, 69439-68-5<\/td>\nAntioxidante 8608T<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 8627<\/span><\/a><\/td>\nCAS 68610-62-8<\/td>\nAntioxidante 8627<\/td>\n<\/tr>\n
CHLUMIAO\u00ae TDP<\/span><\/a><\/td>\nCAS 25448-25-3<\/td>\nAntioxidante TDP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae TLP<\/span><\/a><\/td>\nCAS 3076-63-9<\/td>\nAntioxidante TLP<\/td>\n<\/tr>\n
CHLUMIAO\u00ae TOP<\/span><\/a><\/td>\nCAS 301-13-3<\/td>\nTOP Antioxidante<\/td>\n<\/tr>\n
CHLUMIAO\u00ae TTDP<\/span><\/a><\/td>\nCAS 77745-66-5<\/td>\nAntioxidante TTDP<\/td>\n<\/tr>\n
\u00c9steres de tiol Antioxidantes<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae DLTDP<\/span><\/a><\/td>\nCAS 123-28-4<\/td>\nTiodipropionato de dilaurila<\/td>\n<\/tr>\n
CHLUMIAO\u00ae DSTDP<\/span><\/a><\/td>\nCAS 693-36-7<\/td>\nistearyl thiodipropionate\/ Antioxidante DSTDP<\/td>\n<\/tr>\n
Antioxidantes am\u00ednicos<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 3114<\/span><\/a><\/td>\nCAS 27676-62-6<\/td>\nIrganox 3114 \/ Antioxidante 3114<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 4,4\u2032-bifenol<\/span><\/a><\/td>\nCAS 92-88-6<\/td>\n4,4\u2032-bifenol<\/td>\n<\/tr>\n
Desativadores de metais Antioxidantes<\/strong><\/td>\n<\/td>\n<\/td>\n<\/tr>\n
CHLUMIAO\u00ae 1098<\/span><\/a><\/td>\nCAS 23128-74-7<\/td>\nIrganox 1098 \/ Antioxidante 1098<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

MTBHQ 2-tert-butylhydroquinone CAS 1948-33-0 Industrial Grade Antioxidant is an antioxidant for antioxidant MTBHQ \/ 2-tert-butylhydroquinone CAS 1948-33-0 Industrial Grade 1.<\/p>","protected":false},"featured_media":7978,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[144],"product_tag":[],"class_list":{"0":"post-6316","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-chlumiao-antioxidant","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nChina Antioxidant MTBHQ \/ 2-tert-butylhydroquinone Manufacturer CAS 1948-33-0 -Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Antioxidant MTBHQ \/ 2-tert-butylhydroquinone CAS 1948-33-0 Industrial Grade is key product of Longchang Chemical. We provide best price. We are the leading manufacturer and supplier in China with the best quanlity and competitive price. Other Name: Mono-tert-butylhydroquinone;\u00a0Tert Butyl Hydro Quinone;\u00a02-tert-Butylbenzene-1,4-diol;\u00a0Eastma MTBHQ;\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-mtbhq-cas-1948-33-0-industrial-grade\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China Antioxidant MTBHQ \/ 2-tert-butylhydroquinone Manufacturer CAS 1948-33-0 -Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"Antioxidant MTBHQ \/ 2-tert-butylhydroquinone CAS 1948-33-0 Industrial Grade is key product of Longchang Chemical. We provide best price. We are the leading manufacturer and supplier in China with the best quanlity and competitive price. Other Name: Mono-tert-butylhydroquinone;\u00a0Tert Butyl Hydro Quinone;\u00a02-tert-Butylbenzene-1,4-diol;\u00a0Eastma MTBHQ;\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiao-mtbhq-cas-1948-33-0-industrial-grade\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-08T08:26:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2023\/12\/1948-33-0.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangchemical.com\/product\/chlumiao-mtbhq-cas-1948-33-0-industrial-grade\/\",\"url\":\"https:\/\/longchangchemical.com\/product\/chlumiao-mtbhq-cas-1948-33-0-industrial-grade\/\",\"name\":\"China Antioxidant MTBHQ \/ 2-tert-butylhydroquinone Manufacturer CAS 1948-33-0 -Longchang Chemical\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/product\/chlumiao-mtbhq-cas-1948-33-0-industrial-grade\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/product\/chlumiao-mtbhq-cas-1948-33-0-industrial-grade\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2023\/12\/1948-33-0.jpg\",\"datePublished\":\"2023-12-05T09:56:52+00:00\",\"dateModified\":\"2026-05-08T08:26:26+00:00\",\"description\":\"Antioxidant MTBHQ \/ 2-tert-butylhydroquinone CAS 1948-33-0 Industrial Grade is key product of Longchang Chemical. 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