China (Mainland) 
99.9% purity tris (hydroxymethyl) metyl aminomethane (cas 77-86-1)
product description
product name:tris(hydroxymethyl)metyl aminomethane
synonyms:1,1,1-tris(hydroxymethyl)-methanamin, 1,3-propanediol
cas no.: 77-86-1
einecs no.: 201-064-4
molecular formula: c4h11no3
molecular weight: 121.1
structural formula:
properties:
|
melting point |
167-172 ºc(lit.) |
|
boiling point |
219-220 ºc10 mm hg(lit.) |
|
density |
1,353 g/cm3 |
|
fp |
219-220ºc/10mm |
|
storage temp |
2-8ºc |
|
solubility |
h2o: 4 m at 20 ºc, clear, colorless |
|
form |
crystalline |
|
color |
white |
|
ph |
10.5-12.0(4 m in water, 25 ºc) |
|
pka |
8.1(at 25ºc) |
|
water solubility |
550 g/l (25 ºc) |
|
sensitive |
hygroscopic |
|
merck |
14,9772 |
|
brn |
741883 |
|
stability |
stable. incompatible with bases, strong oxidizing agents. protect from moisture. |
|
cas database reference |
77-86-1(cas database reference) |
|
nist chemistry reference |
1,3-propanediol, 2-amino-2-(hydroxymethyl)-(77-86-1) |
|
epa substance registry system |
1,3-propanediol, 2-amino-2-(hydroxymethyl)- (77-86-1) |
quality specification:
enterprise standard,99.5%.
|
item |
specification |
analytic result |
|
appearance |
white crystal |
white crystal |
|
purity |
≥99.5% |
99.91% |
|
melting piont |
168.0-171.0ºc |
169.8-170.5ºc |
|
loss on drying |
≤0.5% |
0.30% |
|
insolubles in water |
≤0.03% |
0.0045% |
|
ash |
≤0.05% |
0.0040% |
|
heavy metals |
≤5ppm |
2ppm |
|
ph |
10.0-11.5 |
11.35 |
|
colour |
≤5# |
5# |
|
e |
≤5ppm |
2ppm |
|
so42+ |
≤10ppm |
3ppm |
|
cl |
≤3ppm |
2ppm |
|
abs(260nm,20%water) |
≤0.1 |
0.054 |
|
conclusion |
conforms to in-house specification |
|
advantages:
hubei xinrunde chemical co., ltd is a renowned pharmaceutical manufacturer. we can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. never stop striving to offer our best service is our philosophy. we have flexible and untraceable payment terms. as a leading manufacture, our products have been exported to germany, norway, poland, finland, spain, uk, france, russia, usa, brazil, mexico, australia, japan, korea, thailand, indonesia, uruguay and many other countries.
1. quality.every batch of steroid powders have tobetested by our qc(quality control) before they are allowed to sell.
2. delivery we have stock, so we can delivery quickly at the very day when receive the payment. within 24 hours after receiving the payment lead time 4 or 7 days.
3. discreet package safelyand professionally disguised package guaranteed. for your safety and to insure delivery all products will be packed in a discreet way to prevent any suspicions, no steroids related name will appear on the parcels. high successful delivery rate.
4. warm after-sale service any of your question would be solved for the first as soon as possible.