USD $8.80-8.80 / Gram
USD $6.00-9.00 / Gram
USD $8.80-8.80 / Gram
USD $6.00-9.00 / Gram
USD $2.00-10.00 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
USD $10.00-100.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
hydroxypropyl methylcellulose (hpmc)
identification:
chemical name: hydroxy propyl methyl cellulose
synonyms: hypromellose; methocel ;walocel
cas no.: 9004-65-3
molecular formula: c12h20o10
e-code: e464
properties:
hpmc is a solid, and is a slightly off-white to beige powder in appearance and may be formed into granules. the compound forms colloids when dissolved in water. this non-toxic ingredient is combustible and can react vigorously with oxidising agents
specifications:
items |
sn60 |
sn65 |
sn75 |
methoxy, % |
28.0-30.0 |
27.0-30.0 |
19.0-24.0 |
hydroxypropoxy, % |
7.0-12.0 |
4.0-7.5 |
4.0-12.0 |
gelling temperature,℃ |
58.0-64.0 |
62.0-68.0 |
70.0-90.0 |
insoluble substance in water,% |
≤1.0 |
||
loss on drying,% |
≤5.0 |
||
residue in ignition,% |
≤1.5 |
||
heavy metals, ppm |
≤20 |
||
arsenic, ppm |
≤2 |
||
lead, ppm |
≤3 |
||
total plate count ,cfu/g |
≤1000 |
||
yeast / molds ,cfu/g |
≤100 |
||
e.coli ,cfu/g |
absent |
||
salmonella ,cfu/ |
absent |
||
viscosity(2%,20℃),mpas |
3-150000 |
application:
as a food additive, hypromellose is an emulsifier, thickening and suspending agent, and an alternative to animal gelatin.
use in construction materials, hpmc is used primarily in construction materials like tile adhesives and renders where it is used as a rheology modifier and water retention agent.