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5423-07-4 - Nitrazine Yellow - C.I. 14890 - Delta Yellow - J60281 - Alfa Aesar

J60281 Nitrazine Yellow

CAS Number
5423-07-4
Synonyms
C.I. 14890
Delta Yellow

Size Price ($) Quantity Availability
1g 18.00
5g 50.80
25g 203.00
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Nitrazine Yellow

MDL
MFCD00003938

Chemical Properties

Formula
C16H8N4Na2O11S2
Formula Weight
542.36
Form
Powder
Solubility
Dissolve in water at 1mg/ml

Applications

Nitrazine Yellow is used to test vaginal pH during late pregnancy to determine the breakage of the amniotic sac. To perform a fecal pH test for diagnosing intestinal infections or other digestive problems. In civil engineering, to determine the carbonatation spread in concrete structures and therefore assess the state of the rebar's passivation film.

Notes

Store in cool, dry place in a tightly sealed container. Store away from oxidizing agents.

Literature References

Angela M. Mills and D. B. Garrioch. Use Of The Nitrazine Yellow Swab Test In The Diagnosis Of Ruptured Membranes. BJOG: An International Journal of Obstetrics & Gynaecology. 1977, 84 (2), 138-140.

Lien Van der Schueren; Karen Hemelsoet; Veronique Van Speybroeck; Karen De Clerck. The influence of a polyamide matrix on the halochromic behaviour of the pH-sensitive azo dye Nitrazine Yellow. Dyes and Pigments. 2012, 94 (3), 443-451.

Other References

Harmonized Tariff Code
2927.00
TSCA
Yes

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