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Chlorophenol red indicator

Dangerous Goods

CAS number:4430-20-0    molecular formula:C19H12Cl2O5S

overview

compound introduction

溶于稀苛性碱、碳酸碱溶液和氨水中呈红色,但酸化后色变黄,并析出沉淀,溶于乙醇,微溶于水,不溶于乙醚和苯。有刺激性。酸碱指示剂,变色范围pH值4.8(黄)~6.4(紫红)。吸附指示剂。汞量滴定法中测定氯和溴(对溴极灵敏,由黄到紫)。食品变质检验。γ射线、X射线和快中子剂量计的指示剂(可以指出盐酸在照射后分解出三氯乙烯或氯仿的量)

Specs

Chinese alias邻氯酚红
English aliasA826532 | 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis[2-chlorophenol], 9CI | NSC 7828 | 3',3'-Dichlorophenolsulfonaphthalein | 3,3-bis(3-chloro-4-hydroxyphenyl)-3H-2,1??-benzoxathiole-1,1-dione | P3S5KH33EA | AMY22418 | Chlorphenol Red | Chlorphenolsulfonphth
CAS number4430-20-0molecular formulaC19H12Cl2O5S
molecular weight423.27 g/molExact mass0.04%
PSA92.200 Ųlogp4.300

numbering system

No numbering system information yet

physicochemical properties

No physical and chemical property information yet

Safety information

pictogram:
GHS07
Signal word:
Warning
Hazard Statement:
H315: 引起皮肤刺激 H319: 引起严重眼睛刺激 H335: 可能引起呼吸道刺激
Statement of Preventive Measures:
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P305+P351+P338: 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P302+P352: 如皮肤沾染:用水充分清洗。 P321: 特殊处理(请参阅此标签上的...)。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P271: 仅在室外或通风良好的地方使用。 P304+P340: 如误吸入:将人转移
WGK Germany:
3
Personal protective equipment:
dust mask type N95 (US),Eyeshields,Gloves

Production methods and uses

No production method and use information yet

Related

upstream information

No upstream information yet

downstream information

No downstream information yet

MSDS

Found 1 shareMSDS
4430-20-0 | Chlorophenol Red.pdf