3,4-Dihydroxybenzoic acid CAS:99-50-3 price,buy Formaldehyde,Formaldehyde supplier-Henan Sinotech Import&Export Corporation
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3,4-Dihydroxybenzoic acid CAS:99-50-3 CAS NO.99-50-3

FOB Price:
USD 1.00-1.00 /Kilogram Get Latest Price
Min.Order Quantity:
1 Kilogram
Purity:
99%
Port:
Qingdao Port
Payment Terms:
L/C,T/T

Add to Inquiry Cart

Product Details

Keywords

  • 99-50-3
  • 3,4-Dihydroxybenzoic acid
  • Protocatechuic acid

Quick Details

  • ProName: 3,4-Dihydroxybenzoic acid CAS:9...
  • CasNo: 99-50-3
  • Molecular Formula: C7H5O4
  • Appearance: White powder
  • Application: Organic intermediates
  • DeliveryTime: Within 2 weeks after order confirmatio...
  • PackAge: 25KG/Drum
  • Port: Qingdao Port
  • ProductionCapacity: 2000 Metric Ton/Year
  • Purity: 99%
  • Storage: Store in cool and dry place, away from...
  • Transportation: By sea or by air
  • LimitNum: 1 Kilogram
  • CAS: 99-50-3

Superiority

cas

99-50-3

appearance:

white powder

product name

3,4-dihydroxybenzoic acid

mf

c7h6o4

mw

154.12

purity

99%

Details

item

standard

test results

identification

a.h-nmr:comply with the structure

complies

b.lc-ms:comply with the structure

complies

c.the ir spectrum of sample should be identical with that of reference standard;

complies

d.hplc-esi-ms

complies

the retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay.

heavy metals

≤10 ppm

<10ppm

water

≤1.0%

0.10%

sulphated ash

≤0.5%, determined on 1.0 g.

0.01%

related substances

unspecified impurities: for each impurity

≤0.10%

<0.10%

total impurity

≤0.5%

0.18%

purity

≥99.0%

99.70%

assay

99.0%~101.0% (anhydrous substance).

99.80%

storage

preserve in well-closed, light-resistant and airtight containers.

complies

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