4-(HYDROXYMERCURY)BENZOIC ACID SODIUM SALT
- CAS No.
- 138-85-2
- Chemical Name:
- 4-(HYDROXYMERCURY)BENZOIC ACID SODIUM SALT
- Synonyms
- PCMB;P-Hydroxymer;p-chloromercuribenzoate;P-CHLOROMERCURIOBENZOATE;4-hydroxymercuribenzoate;sodiump-hydroxymercuribenzoate;SODIUM 4-(HYDROXYMERCURIO)BENZOATE;P-HYDROXYMERCURIBENZOIC ACID SODIUM;P-HYDROXY MERCURIBENZOATE SODIUM SALT;4-CHLOROMERCURIBENZOIC ACID SODIUM SALT
- CBNumber:
- CB9350409
- Molecular Formula:
- C7H4HgNaO3
- Molecular Weight:
- 359.69
- MDL Number:
- MFCD00002527
- MOL File:
- 138-85-2.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| 4-(Hydroxymercuri)benzoic acid sodium salt ≥95.0% (Hg) | 55540 | 5g | $115 |
| 4-(Hydroxymercuri)benzoic acid sodium salt ≥95.0% (Hg) | 55540 | 25g | $222.5 |
| 4-(Hydroxymercuri)benzoic acid sodium salt ≥97% | 8.20308 | 5G | $116 |
| Melting point | ≥300 °C |
|---|---|
| storage temp. | Poison room |
| form | Crystalline Powder |
| color | White |
| BRN | 6118796 |
| CAS DataBase Reference | 138-85-2(CAS DataBase Reference) |
| FDA UNII | 8I6993TIKC |
| EPA Substance Registry System | Mercurate(1-), (4-carboxylatophenyl)hydroxy-, sodium (138-85-2) |
| UNSPSC Code | 12352103 |
| NACRES | NA.25 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() ![]() GHS06,GHS08,GHS09 |
|---|---|
| Signal word | Danger |
| Hazard statements | H300+H310+H330-H373-H410 |
| Precautionary statements | P262-P273-P280-P302+P352+P310-P304+P340+P310-P314 |
| Hazard Codes | T+,N |
| Risk Statements | 26/27/28-33-50/53 |
| Safety Statements | 13-28-36-45-60-61 |
| RIDADR | UN 2025 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | OV8150000 |
| F | 3-10 |
| HS Code | 2852 10 00 |
| HazardClass | 6.1(a) |
| PackingGroup | II |
4-(HYDROXYMERCURY)BENZOIC ACID SODIUM SALT price More Price(3)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 55540 | 4-(Hydroxymercuri)benzoic acid sodium salt ≥95.0% (Hg) | 138-85-2 | 5g | $115 | 2025-07-31 | Buy |
| Sigma-Aldrich | 55540 | 4-(Hydroxymercuri)benzoic acid sodium salt ≥95.0% (Hg) | 138-85-2 | 25g | $222.5 | 2025-07-31 | Buy |
| Sigma-Aldrich | 8.20308 | 4-(Hydroxymercuri)benzoic acid sodium salt ≥97% | 138-85-2 | 5G | $116 | 2023-06-20 | Buy |
4-(HYDROXYMERCURY)BENZOIC ACID SODIUM SALT Chemical Properties,Uses,Production
Chemical Properties
White crystalline powder
Uses
4-(Hydroxymercuri)benzoic acid is an organic mercurial compound th at reacts via mercury-sulfur affinity with sulfhydryl groups in peptides, proteins and other molecules. PCMB may be used for the determination of sulfhydryl groups in proteins according to Boyer, by atomic absorption, and stopped-flow measurements, G. Castronuovo-Lepore et al.. It may be used for specific applications such as probing the active site of an enzyme such as cytochrome C oxidase. 4-(Hydroxymercuri)benzoic acid appeared mistakenly as p-chloromercuriobenzoate [PCMB] in earlier literature.
Safety Profile
Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of Hg and NazO. See also MERCURY COMPOUNDS.
4-(HYDROXYMERCURY)BENZOIC ACID SODIUM SALT Preparation Products And Raw materials
Raw materials
Preparation Products
4-(HYDROXYMERCURY)BENZOIC ACID SODIUM SALT Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21615 | 55 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28172 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-029-89586680 +86-18192503167 | 1026@dideu.com | China | 8026 | 58 |
| Shanghai Acmec Biochemical Technology Co., Ltd. | +86-18621343501; +undefined18621343501 | product@acmec-e.com | China | 33338 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 52924 | 58 | |
| SHANGHAI KEAN TECHNOLOGY CO., LTD. | +8613817748580 | cooperation@kean-chem.com | China | 40066 | 58 |
| Mainchem Co., Ltd. | +86-0592-6210733 | sale@mainchem.com | China | 32343 | 55 |
| J & K SCIENTIFIC LTD. | 18210857532; 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Shandong Xiya Chemical Co., Ltd | 4009903999 13355009207 | 3007715519@qq.com | China | 18729 | 57 |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9815 | 79 |







