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
product name thymine
synonyms 2,4(1h,3h)-pyrimidinedione, 5-methyl-; 2,4-dihydroxy-5-methylpyrimidine; 2,4-dioxy-5-methyl pyrimidine; 5-methyluracil; thy; 5-methyl-uracil; 5-methyl uracil; thymine 2-4-dihydroxy-5-methylpyrimidine; 5-methylpyrimidine-2,4(1h,3h)-dione
molecular formula c5h6n2o2
molecular weight 126.1133
cas registry number 65-71-4
einecs 200-616-1
density 1.226g/cm3
melting point 316-317°c
boiling point 403.8°c at 760 mmhg
refractive index 1.489
flash point 198°c
vapour pressur 4.25e-07mmhg at 25°c
item |
specification |
specific rotation |
+39.5 to +41.5° |
state of solution(transmittance) |
clear 98.0% min. |
chloride[cl] |
0.020% max. |
ammonium [nh4] |
0.02% max. |
sulfate[so4] |
0.020% max |
iron[fe] |
10ppm max. |
heavy metals [pb] |
10ppm max |
arsenic[as2o3] |
1ppm max |
other amino acids |
chromatographically not detectable |
loss on drying |
0.20% max. |
residue on ignition[sulfated] |
0.10% max. |
assay |
99.0% min |