酚红
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别名：
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苯酚红;苯酚磺酰酞;苯酚磺酞;3,3-二(对羟苯基)-3H-2,1-苯并氧硫杂环戊烷-1,1-二氧化物;酚磺酞
产品介绍
MSDS与安全信息
质检证书(CoA)
相关产品
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- 深红色结晶性粉末。1g本品溶于1300ml水，约350ml醇，500ml丙酮，几乎不溶于醚和氯仿，溶于氢氧化碱或碳酸碱溶液中呈深红色，在空气中稳定。
熔点:300℃
质量标准
项目Item分析纯
(AR
pH变色域Visual transition interval1.2(橙)-3.0(黄)<
最大吸收波长(nm)Maximum absorpti-
on wavelength 6.5(棕黄)-8.0(紫色)
λ₁(pH 1.2) 503-506
λ₂(pH 3.0) 430-435
λ₃(pH 6.5) 430-435
λ₄(pH 8.0) 557-560
质量吸收系数Mass absorptivity,L/(cm.g)<
α₁(λ₁,(pH 1.2,干样) 110-123
α₂(λ₂,(pH 3.0,干样) 60-68
α₃(λ₃,(pH 6.5,干样) 62-72
α₄(λ₄,(pH 8.0,干样) 120-135
碱溶解试验Solubility in alkali 合格
干燥失重Drying loss,% ≤1.0
灼烧残渣(以硫酸盐计)Ignition residue,% ≤0.2
ACS级:
项目名称ItemACS Grade
澄清度试验 Claroty of solutionPasses test
pH变色域Visnal transition interva 6.8(yellow)-8.2(red
贮存
用途:酸碱指示剂，变色范围pH:6.8（黄）-8.4（红）。血液二氧化碳全量测定，细菌血清检验中制备双糖铁尿素培养基的指示剂。其钠盐用于测定肝功能。
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Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
