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7723-14-0

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Basic Information
CAS No.: 7723-14-0
Name: Phosphorus
Molecular Structure:
Molecular Structure of 7723-14-0 (Phosphorus)
Formula: P
Molecular Weight: 36.0135
Synonyms: Black phosphorus;Exolit 385;Exolit 405;Exolit LPKN 275;Exolit PR 602;Exolit RP 605;Exolit RP 607;Exolit RP 650;ExolitRP 6500;Exolit RP 652;Exolit RP 654;Exolit RP 683;Exolit RP 689;Exolit RP694;Exolit RP 695;Exolit VPK-n 361;FR 120UFA;FR-P;FR-T 2;FR-T 2(element);FRW 30;Hishigado;Hishigado AP;Hishigado CP;Hishigado EL-Z;Hishigado LP-E;Hishigado LP-F;Hishigado NP 10;Hishigado PL;Hishigado TP-A10;Hishigado White LP;Hostaflam RP 602;Hostaflam RP 614;Hostaflam RP 622;Hostaflam RP 654;Masteret 70450;NVE 140;Nova Quell;Nova Sol R 20;Novaexcel140;Novaexcel 140F;Novaexcel 150;Novaexcel F 5;Novaexcel ST 100;NovaexcelST 140;Novaexcel ST 300;Novared 1200;Novared 120F;Novared 120UF;Novared120UFA;Novared 120VFA;Novared 140;Novared 280;Novared C 120;Novared F 5;PX 140;Phosphorus-31;RP 614;RP 654;RPM 540B;RPM 650;Safest A;120UFA;31P;Amgard CPC;Amgard CPC 405;
EINECS: 231-768-7
Density: 2.34 g/mL at 25 °C
Melting Point: 590 °C
Boiling Point: 280 °C
Flash Point: 30 °C
Solubility: insoluble in water
Appearance: reddish-brown powder
Hazard Symbols: FlammableF,CorrosiveC,DangerousN,VeryT+
Risk Codes: 11-16-52/53-50-35-26/28-17
Safety: 7-43-61-43C-45-38-26-5-27-6
Transport Information: UN 1381/1338/2447
PSA: 13.59000
LogP: 0.05810
Synthetic route
16853-85-3

lithium aluminium tetrahydride

10026-13-8, 874483-75-7

phosphorus pentachloride

A

7723-14-0

phosphorane

B

7803-51-2

phosphan

Conditions
ConditionsYield
In not given byproducts: H2; reduction of PCl5 with LiAlH4; formation of decompn. products of PH5;;A 0%
B n/a
In not given byproducts: H2; reduction of PCl5 with LiAlH4; formation of decompn. products of PH5;;A 0%
B n/a

hydrogen

7803-51-2

phosphan

7723-14-0

phosphorane

Conditions
ConditionsYield
In not given byproducts: H2; react. of H with PH3 at ambient temp. or at the temp. of liquid air;;0%
In not given reaction H with PH3;;
In not given reaction of H with PH3;;0%
In not given reaction H with PH3;;
In not given reaction of H with PH3;;0%

lithium borohydride

10026-13-8, 874483-75-7

phosphorus pentachloride

A

7723-14-0

phosphorane

B

7803-51-2

phosphan

Conditions
ConditionsYield
In not given byproducts: H2; reduction of PCl5 with LiBH4; formation of decompn. products of PH5;;A 0%
B n/a
In not given byproducts: H2; reduction of PCl5 with LiBH4; formation of decompn. products of PH5;;A 0%
B n/a
7723-14-0

phosphorane

2-(2-Thienyl)-4-benzyloxycarbonyl-2-butenoic acid

383-50-6

2-fluoroethyl tosylate

7beta-Amino-3-(2-fluoroethylthio)-3-cephem-4-carboxylic acid p-nitrobenzyl ester

Conditions
ConditionsYield
With sodium iodide In N,N,N,N,N,N-hexamethylphosphoric triamide; dichloromethane87.8%
7723-14-0

phosphorane

3-oxo-4,4-dimethyl-5α-chola-8,14-dien-24-aldehyde

3-oxo-4,4-dimethyl-5α-chola-8,14-dien-24-aldehyde

1530-33-2

isopropyltriphenylphosphonium bromide

Ph3PCH(CH3)2

Conditions
ConditionsYield
With n-butyllithium; ammonium chloride In tetrahydrofuran; diethyl ether50%
With n-butyllithium; ammonium chloride In tetrahydrofuran; diethyl ether50%
7723-14-0

phosphorane

475057-74-0

1-{8-[2-(4-Cyclobutyl-1,3-thiazol-2-yl)ethyl]-3-formyl-4-oxo-4H-pyrido[1,2-a]-pyrimidin-2-yl}-3-piperidyl formate

86302-43-4

(tert-Butoxycarbonylmethylene)triphenylphosphorane

475057-75-1

tert-Butyl (E)-3-[8-[2-(4-cyclobutyl-1,3-thiazol-2-yl)ethyl]-2-(3-formyloxy-piperidino)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]-2-propenoate

Conditions
ConditionsYield
In tetrahydrofuran
7723-14-0

phosphorane

75-07-0

acetaldehyde

2-benzyl-but-2-enoic acid tert-butyl ester

7723-14-0

phosphorane

60-29-7

diethyl ether

21382-82-1

(carbethoxyethylidene)triphenylphosphorane

135897-86-8

ethyl 5-<3,4-dihydro-6-<(2-methoxyethoxy)methoxy>-2,5,7,8-tetramethyl-2H-1-benzopyran-2-yl>-2-methyl-2(E)-pentanoate

Conditions
ConditionsYield
In benzene
7723-14-0

phosphorane

429-41-4

tetrabutyl ammonium fluoride

1530-39-8

(4-chlorobenzyl)triphenylphosphonium chloride

6-(1-p-chlorophenylbuten-4-yl)-5-hydroxy-3-methyl-2-p-methoxybenzyl-2,3-dihydrobenzofuran

Conditions
ConditionsYield
In ethanol; hexane; ethyl acetate
7723-14-0

phosphorane

21204-67-1

methyl (triphenylphosphoranylidene)acetate

A

phthalide ester

phthalide ester

B

phthalidyl 6-(3-methoxycarbonylprop-2-ene-1-yl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

Conditions
ConditionsYield
With sodium bicarbonate In ethyl acetate; trifluoroacetic acid
With sodium bicarbonate In ethyl acetate; trifluoroacetic acid
Downstream Products
4736-60-1
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Consensus Reports

EPA Extremely Hazardous Substances List. Reported in EPA TSCA Inventory.

Standards and Recommendations

OSHA PEL: TWA 0.1 mg/m3
ACGIH TLV: TWA 0.1 mg/m3
DOT Classification:  4.2; Label: Spontaneously Combustible, Poison

Analytical Methods

For occupational chemical analysis use NIOSH: Elements (ICP) 7300; Phosphorus 7905.

Specification

The IUPAC name of Phosphorus is phosphane. With the CAS registry number 7723-14-0, it is also named as Red phosphorus. The product's categories are Inorganic Chemicals; Inorganics; Elemental PhosphorusMicro / Nanoelectronics; Catalysis and Inorganic Chemistry; Electronic Chemicals; Phosphorus Compounds; Pure Elements; Elemental Phosphorus; AA Standard Solutions Spectroscopy; AAS; Matrix Selection; OtherAlphabetic; P; PER - POLASpectroscopy; Reference / Calibration Standards; Single Solution; Standard Solutions, and the other registry number is 29879-37-6. Besides, it is reddish-brown powder, which is insoluble in water and denser than water. It should be kept in the water and immersed in water, with isolation from the air. In addition, it is incompatible with strong oxidizing agents, strong bases which is light and heat sensitive.

The other characteristics of this product can be summarized as: (1)H bond acceptors: 0; (2)H bond donors: 0; (3)Freely Rotating Bonds: 0; (4)Density: 2.34 g/mL at 25 °C; (5)Flash Point: 30 °C; (6)Enthalpy of Vaporization: 16.96 kJ/mol; (7)Boiling Point: 280 °C; (8)Melting point: 590 °C; (9)Vapour Pressure: 27300 mmHg at 25 °C; (10)Vapor Density: 0.02 (vs air); (11)EINECS: 231-768-7.

Preparation of Phosphorus: Please put Yellow Phosphorus in the sealed cast iron pot. And you should heat Yellow Phosphorus for several hours slight below 420 °C with isolation from the air. It would be converted to red Phosphorus.

Uses of Phosphorus: this chemical is used for the preparation of semiconductor compound and doping agent of semiconductor material. Furthermore, this chemical is used for producing matches, fireworks, and Aluminum phosphide, Phosphorus pentoxide, Phosphorus trichloride, etc. And it is the raw material of producing organic phosphorus pesticide. Additionally, it is used for the production of phosphor bronze in metallurgical industry. It is also used for deacidification of light metal and pharmaceutical.

When you are using this chemical, please be cautious about it as the following: it is highly flammable and spontaneously flammable in air. It also may explosive when mixed with oxidizing substances and cause severe burns. Moreover, it is very toxic by inhalation and if swallowed and very toxic to aquatic organisms. It is harmful to aquatic organisms, which may cause long-term adverse effects in the aquatic environment. Please keep contents under ... (there follows the name of a liquid). and under ... (there follows the name of an inert gas). And you should keep container tightly closed. In case of contact with eyes, please rinse immediately with plenty of water and seek medical advice. Aditionally, you should take off immediately all contaminated clothing. And in case of insufficient ventilation, please wear suitable respiratory equipment. Besides, in case of fire use ... (there follows the type of fire-fighting equipment to be used.). In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.). And you should avoid release to the environment and please refer to special instructions / safety data sheets.

People can use the following data to convert to the molecule structure.
(1)SMILES:P
(2)InChI:InChI=1/P
(3)InChIKey:OAICVXFJPJFONN-UHFFFAOYAC
(4)Std. InChI:InChI=1S/P
(5)Std. InChIKey:OAICVXFJPJFONN-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LDLo oral 4mg/kg (4mg/kg)   Yakkyoku. Pharmacy. Vol. 28, Pg. 329, 1977.
dog LDLo oral 10mg/kg (10mg/kg)   Yakkyoku. Pharmacy. Vol. 28, Pg. 329, 1977.
dog LDLo subcutaneous 2mg/kg (2mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL)

LIVER: FATTY LIVER DEGERATION

CARDIAC: OTHER CHANGES
Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 52, Pg. 173, 1905.
duck LDLo oral 3mg/kg (3mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 39, Pg. 151, 1950.
human LDLo oral 1400ug/kg (1.4mg/kg)   Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 901, 1966.
mammal (species unspecified) LDLo oral 200mg/kg (200mg/kg)   "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 4, Pg. 321, 1969.
man LDLo unreported 4412ug/kg (4.412mg/kg)   "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970.
mouse LD50 oral 4820ug/kg (4.82mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

BEHAVIORAL: FOOD INTAKE (ANIMAL)
National Technical Information Service. Vol. AD-B011-150,
pig LDLo oral 160mg/kg (160mg/kg)   "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 4, Pg. 321, 1969.
rabbit LDLo subcutaneous 10mg/kg (10mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

ENDOCRINE: HYPOGLYCEMIA
Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 64, Pg. 274, 1911.
rat LD50 oral 3030ug/kg (3.03mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: FOOD INTAKE (ANIMAL)

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
National Technical Information Service. Vol. AD-B011-150,
women LDLo oral 4600ug/kg (4.6mg/kg) LUNGS, THORAX, OR RESPIRATION: CYANOSIS

SKIN AND APPENDAGES (SKIN): SWEATING: OTHER

GASTROINTESTINAL: NAUSEA OR VOMITING
Archives of Internal Medicine. Vol. 83, Pg. 164, 1949.
women LDLo oral 22mg/kg (22mg/kg) CARDIAC: CARDIOMYOPATHY INCLUDING INFARCTION American Heart Journal. Vol. 84, Pg. 139, 1972.
women TDLo oral 2600ug/kg (2.6mg/kg) BEHAVIORAL: FLUID INTAKE

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

GASTROINTESTINAL: NAUSEA OR VOMITING
New England Journal of Medicine. Vol. 232, Pg. 247, 1945.
women TDLo oral 11mg/kg (11mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

GASTROINTESTINAL: NAUSEA OR VOMITING
American Journal of the Medical Sciences. Vol. 209, Pg. 223, 1944.