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訂購電話:4001650900

Metanil yellow

Cas:
587-98-4
Molecular Structure:
MDL:
--MFCD00007486
Molecular Formula:
C18H14N3NaO3S
Molecular Weight:
375.38
Alias:
Product order:
Name Specifications Packing Price Delivery
Metanil yellow 高純級 25g RMB 382.8 Consulting service
Metanil yellow AR 100g RMB 151.8 Consulting service
Metanil yellow AR 25g RMB 52.8 Consulting service
Metanil yellow AR 5g RMB 30.8 Consulting service
Character:
溶于水,溶于醇,中度溶于苯和醚,微溶于丙酮,指示劑范圍pH 1.2-2.3
Quality Standard:
   
   項目                                    分析純    
                                        (AR)
外觀Appearance                          橙色粉末
紅外光譜鑒別Infrared spectrometry       和對照品匹配
染料含量Dye-content                     >80 %
λ max.                                  415.0 - 419.0 nm(甲醇)
吸光度Absorbance(E1%1cm)                ≥ 650(Methanol, 415.0 - 419.0 nm)

項目                                    高純級    
外觀Appearance                          橙色粉末
紅外光譜鑒別Infrared spectrometry       和對照品匹配
純度Purity                              ≥98.0% (TLC)  
干燥損失Loss on drying                  <10 % (105°C)
λ max                                   431 - 436 nm (水)
吸光率Absorpt. Ratio P-15/P+15          0.9 - 1.1
吸光度Specific abs. A (1%/1cm)          >550 (λ max.)

Storage:
密封陰涼干燥保存。
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