Bismuth——Exposure Sources&Risk Assessments
Bismuth is a relatively rare metal found in the earth’s crust at about the same level as silver. It is usually associated with copper, lead, tungsten, silver, and gold ores. Bismuth typically is a byp
Mar 5，2020 Inorganic chemistry
Exposure Sources & Medical Management of Beryllium
Beryllium (Be; CASRN 7440-41-7) is the lightest structural metal known to exist at this time. It is stronger than steel by 40%, its dimensional stability, favorable stiffness-to-weight ratio, high the
Mar 5，2020 Inorganic chemistry
Exposure Sources & Risk Assessments of Barium
Barium(symbolBa;CASRN7440-39-3)isadense,silver-white metal thatoxidizesrapidlyinair,assumingasilver-yellowcolor, when present in its elemental state. The TSCA inventory, established by the Toxic Subst
Mar 5，2020 Inorganic chemistry
Arsenic——Exposure Sources & Medical Management
Arsenic (As; CAS #7440-38-2) is a brittle solid with a metallic coloring that ranges from silver to gray. It is a naturally occurring element found in the earth’s crust,
Mar 5，2020 Inhibitors
Antimony——Exposure Sources & Industrial Hygiene
Antimony is a metal with synonyms, including antimony black; elemental antimony; antimony metal; metallic antimony; stibanylidynestibane; antimony ingot; antimony powder; antimony regulus; stibium and
Mar 5，2020 Inorganic chemistry
Aluminum——Exposure Sources & Industrial Hygiene
Occurring naturally in the soil, aluminum makes up 8% of theearth’s surface, although higher concentrations may be foundin the soil surrounding.
Mar 5，2020 Inorganic chemistryThe function of pempidine tartrate as a ganglion-blocking agent
Pempidine tartrate (PMP) is a white powder and acts as a ganglion-blocking agent to treat severe hypertension. Pempidine tartrate, like other highly active ganglion-blocking agents.
Mar 4，2020 Organic Solvents
The Application of Cetylpyridinium Chloride and Related Information
Cetylpyridinium chloride (CPC) is a white powder that is very soluble in water and alcohol. In this compound, the quaternary nitrogen atom is a member of an aromatic pyridinering.
Mar 4，2020 API
Synthesis methods of 3'-hydroxyacetophenone
3’-Hydroxyacetophenone is a chemical compound and it is a component of castoreum, the exudate from the castor sacs of the mature beaver [1]. It is used in the synthesis and preparation of chalcones an
Mar 4，2020 Organic reagents
The uses of sodium sulfide
Sodium sulfide is the chemical compound with the formula Na?S, or more commonly its hydrate Na?S·9H?O. Both are colorless water-soluble salts that give strongly alkaline solutions.
Mar 4，2020 Inorganic salts