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Name	Sodium picramate	EINECS	212-603-8
CAS No.	831-52-7	Density	N/A
PSA	140.72000	LogP	2.85660
Solubility	10.602g/L at 25℃	Melting Point	N/A
Formula	C₆H₄N₃NaO₅	Boiling Point	386.3 °C at 760 mmHg
Molecular Weight	221.105	Flash Point	187.5 °C
Transport Information	UN 0235/1349	Appearance	Dark red prescake
Safety		Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	Phenol,2-amino-4,6-dinitro-, monosodium salt (8CI,9CI);Picramic acid, sodium deriv.(6CI);Sodium, (2-amino-4,6-dinitrophenoxy)- (7CI);Sodium6-amino-2,4-dinitrophenolate;Sodium picramate;

Sodium picramate Synthetic route

: 831-52-7
sodium picramate

: 4682-03-5
2-hydroxy-3,5-dinitro-benzenediazonium betaine

Conditions

Conditions	Yield
With hydrogenchloride; sodium nitrite for 1h;

: 831-52-7
sodium picramate

: sodium 6-azido-2,4-dinitrophenolate

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: sodium nitrite, aq. HCl / 1 h 2: sodium azide / acetone / 0.5 h View Scheme

: 831-52-7
sodium picramate

: silver nitrate

: 33393-67-8
{AgC6H4N3O5}

Conditions

Conditions	Yield
In not given washed (H2O and alc.), dried in desiccator;

: 831-52-7
sodium picramate

: holmium(III) nitrate

: Ho(3+)*3C6H4N3O5(1-)*2H2O=Ho(C6H2(NO2)2(NH2)O)3*2H2O

Conditions

Conditions	Yield
In water sodium picramate and rare earth(III) nitrate in 4:1 mole ratio; stirring with scratching the walls of container; 2 h crystn. at room temp.; filtration; washing (water, then ethanol); drying in vac. at room temp.;
In water

: 831-52-7
sodium picramate

: cerous nitrate

: Ce(3+)*3C6H4N3O5(1-)*2H2O=Ce(C6H2(NO2)2(NH2)O)3*2H2O

Conditions

Conditions	Yield
In water sodium picramate and rare earth(III) nitrate in 4:1 mole ratio; stirring with scratching the walls of container; 2 h crystn. at room temp.; filtration; washing (water, then ethanol); drying in vac. at room temp.;
In water

: 831-52-7
sodium picramate

: gadolinium(III) nitrate

: Gd(3+)*3C6H4N3O5(1-)*2H2O=Gd(C6H2(NO2)2(NH2)O)3*2H2O

Conditions

Conditions	Yield
In water sodium picramate and rare earth(III) nitrate in 4:1 mole ratio; stirring with scratching the walls of container; 2 h crystn. at room temp.; filtration; washing (water, then ethanol); drying in vac. at room temp.;
In water

: 831-52-7
sodium picramate

: dysprosium nitrate

: Dy(3+)*3C6H4N3O5(1-)*2H2O=Dy(C6H2(NO2)2(NH2)O)3*2H2O

Conditions

Conditions	Yield
In water sodium picramate and rare earth(III) nitrate in 4:1 mole ratio; stirring with scratching the walls of container; 2 h crystn. at room temp.; filtration; washing (water, then ethanol); drying in vac. at room temp.;
In water

: 831-52-7
sodium picramate

: 16454-60-7
neodymium(III) nitrate

: Nd(3+)*3C6H4N3O5(1-)*2H2O=Nd(C6H2(NO2)2(NH2)O)3*2H2O

Conditions

Conditions	Yield
In water sodium picramate and rare earth(III) nitrate in 4:1 mole ratio; stirring with scratching the walls of container; 2 h crystn. at room temp.; filtration; washing (water, then ethanol); drying in vac. at room temp.;
In water

: 831-52-7
sodium picramate

: terbium(III) nitrate

: Tb(3+)*3C6H4N3O5(1-)*2H2O=Tb(C6H2(NO2)2(NH2)O)3*2H2O

Conditions

Conditions	Yield
In water sodium picramate and rare earth(III) nitrate in 4:1 mole ratio; stirring with scratching the walls of container; 2 h crystn. at room temp.; filtration; washing (water, then ethanol); drying in vac. at room temp.;
In water

: 831-52-7
sodium picramate

: samarium(III) nitrate

: Sm(3+)*3C6H4N3O5(1-)*2H2O=Sm(C6H2(NO2)2(NH2)O)3*2H2O

Conditions

Conditions	Yield
In water sodium picramate and rare earth(III) nitrate in 4:1 mole ratio; stirring with scratching the walls of container; 2 h crystn. at room temp.; filtration; washing (water, then ethanol); drying in vac. at room temp.;
In water

Sodium picramate Chemical Properties

Molecular Formula: C₆H₄N₃NaO₅
Formula Weight: 221.1
Flash Point: 187.5 °C
Boiling Point: 386.3 °C at 760 mmHg
Vapour Pressure: 1.6E-06 mmHg at 25 °C
Appearance: Dark red prescake
Structure of Sodium picramate (CAS NO.831-52-7):

IUPAC Name: Sodium 2-amino-4,6-dinitrophenolate
Canonical SMILES: C1=C(C=C(C(=C1[N+](=O)[O-])[O-])N)[N+](=O)[O-].[Na+]
InChI: InChI=1S/C6H5N3O5.Na/c7-4-1-3(8(11)12)2-5(6(4)10)9(13)14;/h1-2,10H,7H2;/q;+1/p-1
InChIKey: UENNEPPWFZYINW-UHFFFAOYSA-M
Product Category of Sodium picramate (CAS NO.831-52-7): Intermediates of Dyes and Pigments

Sodium picramate Uses

Sodium picramate (CAS NO.831-52-7) can be used in pyrotechnics and rocket fuel. It is used to make dyes (acid, chrome), insecticides and as a colorimetric reagent to determine albumin to pyrotechnic application.

Sodium picramate Toxicity Data With Reference

orl-mus LD50:378 mg/kg

JACTDZ Journal of the American College of Toxicology. 11 (1992),447.

Sodium picramate Consensus Reports

Reported in EPA TSCA Inventory.

Sodium picramate Safety Profile

Poison by ingestion. A flammable solid and explosive. When heated to decomposition it emits toxic fumes of NOx and Na2O. See also PICRAMIC ACID, SODIUM SALT; PICRAMIC ACID, ZIRCONIUM SALT (WET).

Sodium picramate Standards and Recommendations

ASSAY ( DRY BASIS): 98.0% min
AMINO CONTENT: 86.0% min
FREE ACID: 0.1% max
WATER: 30.0% or more
DOT Classification: EXPLOSIVE 1.3C; Label: EXPLOSIVE 1.3C (UN 0235); DOT Class: 4.1; Label: Flammable Solid (UN 1349)

Sodium picramate Specification

Sodium picramate , its cas register number is 831-52-7. It also can be called Sodium 2-amino-4,6-dinitrophenoxide ; 2-Amino-4,6-dinitrophenol sodium salt ; and Phenol, 2-amino-4,6-dinitro-, sodium salt . It should be kept away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Keep it in a cool, dry, dark location in a tightly sealed container or cylinder.

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