【Chemical Name】 Hydroxypropyl methyl cellulose
【Synonym】
hpmcd;hydroxylpropylmethylcellulose;Hydroxymethylpropylcellulose;isoptoalkaline;isoptoplain;isoptotears;methocele,f,k;HydroxypropylMethylCellulose(Hpmc)
【CAS No】 9004-65-3
【Molecular Formula】 C3H7O*
【Molecular Weight】 59.08708
【Properties】 Melting point 225-230 ° C density 1.39
【Specification】≥99
【Packing】25kg/bag
【Usage】 It is used in synthetic resin, petrochemical industry, ceramics, papermaking, leather, textile printing and dyeing, medicine, food, cosmetics and other daily chemicals as dispersant, thickener, binder, excipient, capsule, oil resistant coating and filler.
【Product Specification】
Item | Specifications |
Appearance | White to slightly off-white fibrous or granular powder |
Identification A To E | Complies |
Hydroxypropyl content % | 7.0-12.0 |
Methoxyl content % | 28.0-30.0 |
Loss on drying % | 5.0max |
Residue on ignition % | 1.5max |
pH @25℃ | 5.0-8.0 |
Arsenic ppm | 2max |
Heavy metal ppm | 20max |
Appearance of solution | Solution A NMT OS3&YS6 |
Sulphated ash % | 3.0max |
Chlorides ppm | 0.5max |
Total bacterium | 1000/gram max |
Mould | 100/gram max |
Viscosity cps | 4-6 |