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Protocatechualdehyde

Protocatechualdehyde
Protocatechualdehyde
CAS No.
139-85-5
Chemical Name:
Protocatechualdehyde
Synonyms
Nc 033;NSC 22961;AURORA 17180;PROTOPINE(RG);rancinamyciniv;Rancinamycin IV;4-Formylcatechol;AKOS BBS-00003254;pyrocatechualdehyde;Protocatecualdehyde
CBNumber:
CB7784165
Molecular Formula:
C7H6O3
Formula Weight:
138.12
MOL File:
139-85-5.mol

Protocatechualdehyde Properties

Melting point:
150-157 °C(lit.)
Boiling point:
213.5°C (rough estimate)
Density 
1.2667 (rough estimate)
refractive index 
1.4600 (estimate)
storage temp. 
2-8°C
solubility 
6.3g/l
form 
Crystalline Powder
pka
pK (25°) 7.55
color 
slightly brown
Water Solubility 
50 g/L (20 ºC)
Sensitive 
Air Sensitive
Merck 
14,7893
BRN 
774381
Stability:
Stable. Incompatible with strong bases, strong oxidizing agents.
CAS DataBase Reference
139-85-5(CAS DataBase Reference)
NIST Chemistry Reference
3,4-Dihydroxybenzaldehyde(139-85-5)
EPA Substance Registry System
Benzaldehyde, 3,4-dihydroxy-(139-85-5)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38-22
Safety Statements  26-36-37/39
WGK Germany  3
RTECS  UL0380000
9
Hazard Note  Irritant/Air Sensitive
HS Code  29124900
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Protocatechualdehyde price More Price(13)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 37520 3,4-Dihydroxybenzaldehyde purum, ≥97.0% (HPLC) 139-85-5 25g $121.5 2017-11-08 Buy
Sigma-Aldrich 37520 3,4-Dihydroxybenzaldehyde purum, ≥97.0% (HPLC) 139-85-5 100g $288 2017-11-08 Buy
TCI Chemical D0566 3,4-Dihydroxybenzaldehyde >98.0%(GC)(T) 139-85-5 25g $99 2017-11-08 Buy
TCI Chemical D0566 3,4-Dihydroxybenzaldehyde >98.0%(GC)(T) 139-85-5 250g $576 2017-11-08 Buy
Alfa Aesar A11558 3,4-Dihydroxybenzaldehyde, 98% 139-85-5 5g $48.6 2017-11-08 Buy

Protocatechualdehyde Chemical Properties,Uses,Production

Chemical Properties

brown powder

Protocatechualdehyde Preparation Products And Raw materials

Raw materials

Preparation Products


Protocatechualdehyde Suppliers

Global( 436)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Shenzhen Sendi Biotechnology Co.Ltd.
0755-23311925 18102838259
0755-23311925 Abel@chembj.com CHINA 3228 55
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20808 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32766 55
Nanjing ChemLin Chemical Industry Co., Ltd.
025-83697070;product@chemlin.com.cn
product@chemlin.com.cn CHINA 2952 60
Hefei TNJ Chemical Industry Co.,Ltd.
86-0551-65418684 18949823763
86-0551-65418684 info@tnjchem.com China 1410 55
Shanghai Zheyan Biotech Co., Ltd.
18017610038
zheyansh@163.com CHINA 3625 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 7797 58
NINGBO INNO PHARMCHEM CO., LTD.
13867897135
sales@nbinno.com CHINA 931 58
Huainan Kedi Chemical Factory 0554-2106669
0554-2666215 sales1@kedichem.com China 5004 55
Shanxi Jinjin Chemical Co.,ltd 4009982989;
sales@jinjingroup.com China 37 56

View Lastest Price from Protocatechualdehyde manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-16 Protocatechualdehyde
139-85-5
US $1.00 / KG 1KG 98% 500kg

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