compound introduction
溶于水呈洋红色，溶于乙醇和丙酮，不溶于其他有机溶剂。铬变酸2R与镁生成棕红色配合物,其最大吸收波长为570 nm。 Chromotrope 2R has been used in the Gomori trichrome staining in osteochondral tissues. It has also been used for the staining of eosinophils in lung sections.
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Chromotrope 2R
Dangerous GoodsCAS number：4197-07-3 molecular formula：C16H10N2Na2O8S2
overview
Specs
| Chinese alias | 酸性红29 | 铬变酸2R | 铬变素2R | 4,5-二羟基-3-苯基偶氮-2,7-萘二磺酸二钠盐 | 铬变素 2R | 2-(苯基偶氮)变色酸 二钠盐 | ||
| English alias | FT-0623802 | AKOS024285050 | UNII-LLE7AS9RKD | Q18620079 | AKOS015903361 | Chromotrope 2R | Disodium 4,5-dihydroxy-3-phenylazonaphthalene-2,7-disulphonate | 2-(Phenylazo)chromotropic acid disodium salt | sodium (E)-4,5-dihydroxy-3-(phenyldiazenyl)naphthal | ||
| CAS number | 4197-07-3 | molecular formula | C16H10N2Na2O8S2 |
| molecular weight | 468.37 g/mol | Exact mass | AR |
| PSA | 196.000 Ų | logp | - |
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
RTECS：
QJ6418000
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
4197-07-3 | Chromotrope 2R.pdf
