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Find Propylene Glycol, Pg USP, Propylene Glycol USP on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.
Payment Type: | L/C, D/A |
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Min. Order: | 100 Bag/Bags |
Model No.: USP31
Item of Test | Requirements of USP31 |
Appearance | Fine crystalline powder |
Assay | ≥99.5% |
Water | ≤0.1% |
Residue on ignition | ≤0.1% |
Heavy metals | < 20ppm |
Melting points | 57±1ºC |
4-chlorophenol | < 50ppm |
2.4-dichlorophenol | < 10ppm |
2.8-dichlorodibenzofuran | < 0.25ppm |
2.4.8-trichlorodibenzofuran | < 0.5ppm |
2.3.7.8-tetrachlorodibenzo-p-dioxin | < 1ppt |
2.3.7.8-tetrachlorodibenzofuran | < 1ppt |
1.3.7-trichlorodibenzo-p-dioxin | < 0.25ppm |
2.8-dichlorodibenzo-p-dioxin | < 0.5ppm |
2,4,4'-Trichloro-2'-nitro diphenyl ether | ≤0.1% |
2,4,4'-Trichloro-2'-amino diphenyl ether | ≤0.1% |
Any Individual Impurity | ≤0.1% |
Total related compounds | ≤0.5% |
Product Categories : Personal Care & Home Care