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别名 | 二甲苯酚蓝|对二甲苯酚磺酞 |
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英文别名 | p-Xylenol Blue|Xylenol Blue|125-31-5|p-Xylenolsulfonphthalein|p-Xylenolsulfonephthalein|p-Xylenesulfonephthalein|p-Xylenolsulfophthalein|Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethyl-|1,4-Dimethyl-5-hydroxybenzenesulfonphthalein |
规格或纯度 | ≥95%(HPLC) |
英文名称 | Xylenol Blue |
运输条件 | 常规运输 |
产品介绍 |
棕色晶体(由乙醇重结晶)。为磺酞类色素。在氯化锌存在下,将邻磺基二氯苯甲酸与对二甲酚加热制取。有两种变色范围:pH值1.2~2.8红~黄;pH值8.0~9.6黄一蓝。用作酸碱指示剂。 Xylenol Blue is a pH indicator dye with pH ranges of pH 1.2 (Red) - pH 2.8 (Yellow), and pH 8.0 (Yellow) - pH 9.6 (Blue). |
PubChem SID | 488183905 |
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EC号 | 204-736-5 |
IUPAC Name | 4-[3-(4-hydroxy-2,5-dimethylphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]-2,5-dimethylphenol |
INCHI | InChI=1S/C23H22O5S/c1-13-11-20(24)15(3)9-18(13)23(19-10-16(4)21(25)12-14(19)2)17-7-5-6-8-22(17)29(26,27)28-23/h5-12,24-25H,1-4H3 |
InChi Key | MGUKYHHAGPFJMC-UHFFFAOYSA-N |
Canonical SMILES | CC1=CC(=C(C=C1O)C)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C(=C4)C)O)C |
Isomeric SMILES | CC1=CC(=C(C=C1O)C)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C(=C4)C)O)C |
WGK Germany | 3 |
PubChem CID | 67172 |
分子量 | 410.48 |
Beilstein号 | 363132 |
Reaxy-Rn | 363132 |
PubChem SID | 488183905 |
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溶解性 | Soluble in alcohol and dilute alkali, slightly soluble in water |
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密度 | 1.346 |
熔点 | 212°C |
象形图 |
Harmful |
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信号词 | Warning |
危险声明 |
H315: Causes skin irritation H319: Causes serious eye irritation H335: May cause respiratory irritation |
预防措施声明 | P261,P305+P351+P338,P280,P302+P352,P321,P405,P501,P264,P271,P304+P340,P403+P233,P362+P364,P264+P265,P337+P317,P332+P317,P319 |
WGK Germany | 3 |
Reaxy-Rn | 363132 |
Merck Index | 10083 |
个人防护装备 | dust mask type N95 (US),Eyeshields,Gloves |
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