1-4 SPCP ,1-(4-Sulfophenyl)-3-carboxy-5-pyrazolon

1-4-SPCP-1-4-Sulfophenyl-3-carboxy-5

1-4 SPCP, 1-(4-Sulfophenyl)-3-carboxy-5-pyrazolon

1,4-Sulfophenyl-3-carboxy-5-pyrazolone (1,4-SPCP) is an organic compound that is used as a reagent in the synthesis of various chemical compounds. It is also used as a dye intermediate for the production of different dyes. It is a yellow powder and it is soluble in water.

Sr no.TESTLIMITS
1DESCRIPTIONPALE YELLOW POWDER
2PURITY %BY MASS MIN88 DRY BASIS 75 W/C BASIS
3LOSS ON DRYING % BY MASS MAX04 DRY BASIS 17 W/C BASIS
4WATER INSOLUBLE MATTER % BY MASS MAX0.1 % max
5SOLUBILITY IN Na2CO3 SOLUTIONCLEAR SOLUTION
61:4 PHPS CONTENTTRACE TO NIL
7HEAVY METAL(I) LEAD [as Pb] PPM MAX 10 NIL
(II) IRON [as Fe] PPM MAX 20 15
(III) MERCURY [as Hg] PPM MAX 1 NIL
(IV) ARSENIC [as AS] PPM MAX 1 NIL