2,7-萘二磺酸钠

2,7-萘二磺酸钠

2,7-Naphthalenedisulfonic Acid Disodium Salt

1655-35-2

C10H6Na2O6S2

332.26100

131.16000

2.80960

331.94000

白色至米色粉末

Stable under normal temperatures and pressures.

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

1.704g/cm3

2904100000

R36/37/38

S37/39-S26

Xi

HS:2904100000.Derivatives containing only sulpho groups, their salts and ethyl esters

品名, 成分含量, 用途

2904100000 仅含磺基的衍生物及其盐和乙酯。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%

2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%