CAS No.5329-14-6,Sulfamic acid Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	5329-14-6
Name:	Sulfamic acid
Article Data:	143
Cas Database

Formula:	H₃NO₃S
Molecular Weight:	97.0947
Synonyms:	Stannous sulfamate;Scale Cleen;Amido Sulfonic Acid;Amidoschwefelsaeure;Aminosulfonic acid;Sulfamidsaeure;Amidosulfonic acid;Sulfamidic acid;Imidosulfonic acid;Aminosulfonic Acid (Sulfamic acid);
EINECS:	226-218-8
Density:	1.913 g/cm³
Melting Point:	215-225 °C (dec.)(lit.)
Boiling Point:	247oC
Flash Point:	205oC
Solubility:	146.8 g/L (20 °C) in water
Appearance:	white crystalline solid
Hazard Symbols:	Xi
Risk Codes:	36/38-52/53
Safety:	26-28-61-28A
Transport Information:	UN 2967
PSA:	88.77000
LogP:	0.52900

Related products

Synthetic route

: 7664-93-9
sulfuric acid

: 57-13-6
urea

: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
In sulfuric acid byproducts: CO2; urea dild. in 100% H2SO4 (stirring/cooling); addn. of small portions of fuming H2SO4 (temp. shouldn't exceed 45°C/stirring/cooling); heating carefully to 80°C; evolution of CO2; addn. of next portion fuming H2SO4 and repeating;; left for some time; filtration, washing (concd. H2SO4); drying on clay; left overnight in air; recrystn. from water;;	94%
In sulfuric acid heating with excess fuming H2SO4 (80-90°C, depending on SO3-content); vigorous reaction, evolution of heat;;

: ammonium sulfamate

: 7803-63-6
ammonium bisulfate

A: ammonium sulfate

B: triammonium hydrogen disulfate

C: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
With air In melt two salts was reacted in melt in air;	A n/a B n/a C 92%

...Expand

: 7446-09-5
sulfur dioxide

: 127-06-0
acetone oxime

: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
In water aq. acetoxim soln., containing liquid SO2, (25°C) left for 5 h in autoclave;;	90%
In water aq. acetoxim soln. cooled to -80°C; excess of SO2 condensed; sealing of tube; warming up to 0°C (pressure increases); left for 5.5 h at that temp.;; opened flask releases excess of SO2; filtration; dried by washing (alc., ether);;	77%
In ethanol; water acetoxim dild. in water/ethanol is satd. with SO2 gas (0°C); leftfor three days (0°C); (pptd. solid HSO3NH2 will be removed);; filtration, addn. of SO2; washing (alc., ether); dried in air;;	76%
In water aq. medium; dependence of pressure (1.14-3.52 kg/cm*cm more than atm.) and temp. (5-30°C); formation of liquid SO2 should be avoided; pptn.;;
In water aq. medium; dependence of pressure (1.14-3.52 kg/cm*cm more than atm.) and temp. (5-30°C); formation of liquid SO2 should be avoided; pptn.;;

: 42824-16-8
pyridine-SO3 complex

: 7664-41-7
ammonia

: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
In water byproducts: pyridine; diln. of C5H5NSO3 in ammonia water (10% NH3) under sepn. of pyridine;; extraction of pyridine (ether); evapn. (water bath); addn. of concd. H2SO4 (cooling); filtration; drying on clay; recrystn from water;;	80%

: 63147-26-2
trimethyl-sulfo-ammonium betaine

: 7664-41-7
ammonia

: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
In water byproducts: trimethylamine; diln. in ammonia water by short heating under sepn. of (CH3)N;; evapn.; removal of exceeding NH3 and (CH3)3N; addn. of concd. H2SO4; sepn. of HSO3NH2;;	80%

: 7446-09-5
sulfur dioxide

: 7632-00-0
sodium nitrite

: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
With sodium carbonate In water byproducts: sodium sulfate; aq. soln. of NaNO2/Na2CO3; introduction of SO2 (until acidic/litmus); addn. of a drop concd. H2SO4; formation of N(SO3)(3-); hydrolysis; short heating or left for several hours (stream of air); neutralization (Na2CO3); evapn.; left (12h/0°C);; filtration from sodium sulfate; addn. of concd. H2SO4; immediate pptn. of most HSO3NH2 (left for another day/cooling); dried on clay; washed (ice cold water); recrystn. (hot water);;	75%
With Na2CO3 In water byproducts: sodium sulfate; aq. soln. of NaNO2/Na2CO3; introduction of SO2 (until acidic/litmus); addn. of a drop concd. H2SO4; formation of N(SO3)(3-); hydrolysis; short heating or left for several hours (stream of air); neutralization (Na2CO3); evapn.; left (12h/0°C);; filtration from sodium sulfate; addn. of concd. H2SO4; immediate pptn. of most HSO3NH2 (left for another day/cooling); dried on clay; washed (ice cold water); recrystn. (hot water);;	75%

Yield

With sodium carbonate In water byproducts: sodium sulfate; aq. soln. of NaNO2/Na2CO3; introduction of SO2 (until acidic/litmus); addn. of a drop concd. H2SO4; formation of N(SO3)(3-); hydrolysis; short heating or left for several hours (stream of air); neutralization (Na2CO3); evapn.; left (12h/0°C);; filtration from sodium sulfate; addn. of concd. H2SO4; immediate pptn. of most HSO3NH2 (left for another day/cooling); dried on clay; washed (ice cold water); recrystn. (hot water);;

75%

With Na2CO3 In water byproducts: sodium sulfate; aq. soln. of NaNO2/Na2CO3; introduction of SO2 (until acidic/litmus); addn. of a drop concd. H2SO4; formation of N(SO3)(3-); hydrolysis; short heating or left for several hours (stream of air); neutralization (Na2CO3); evapn.; left (12h/0°C);; filtration from sodium sulfate; addn. of concd. H2SO4; immediate pptn. of most HSO3NH2 (left for another day/cooling); dried on clay; washed (ice cold water); recrystn. (hot water);;

75%

: 7664-93-9
sulfuric acid

: 7446-11-9
sulfur trioxide

: 57-13-6
urea

: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
In neat (no solvent) byproducts: CO2; vigorous reaction (careful heating/cooling/stirring); temp. dependence on mechanism discussed;;	73.4%
In neat (no solvent) byproducts: CO2; vigorous reaction (careful heating/cooling/stirring); temp. dependence on mechanism discussed;;	73.4%
In not given equimolar amounts;;

...Expand

: hydroxyammonium sulfate

: 7446-09-5
sulfur dioxide

: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
In water aq. hydroxylammonium sulfate soln. cooled to -30°C; excess of SO2 condensed into vessel and left for 24 h in autoclave (at common temps.);; removal of SO2 (passing air through soln.); crystallization, filtration;washing (alc., ether); drying (air); further pptn. of HSO3NH2 by addn. of concd. H2SO4 to mother lye (at 0°C);;	72%
In water aq. medium; dependence of pressure (1.14-3.52 kg/cm*cm more than atm.) and temp. (5-30°C); formation of liquid SO2 should be avoided; pptn.;;
In water aq. medium; dependence of pressure (1.14-3.52 kg/cm*cm more than atm.) and temp. (5-30°C); formation of liquid SO2 should be avoided; pptn.;;

: potassium pyrosulfate

: 7664-41-7
ammonia

: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
In water K2S2O7 (contaminated with 40% KHSO4) dild. in ammonia water (25%/shakingfor 0.5 h/cooling with cold water); until evolution of heat stops; heating (3 min/water bath);; left cooling; filtration, washing (ammonia water); evapn.; addn. of concd. H2SO4; left for several hours (common temps.); filtration; drying on clay; recrystn. from water;;	60%

: 7664-41-7
ammonia

: 35478-69-4
dimethylphenylamidosulfonic acid

: 5329-14-6
aminosulfonic acid

Conditions

Conditions	Yield
In water byproducts: dimethylaniline; diln. in ice cold ammonia water (10% NH3/) left warming up to common temps. under sepn. of (CH3)2NC6H5;; evapn. (removal of exceeding NH3 and (CH3)2NC6H5/water bath); addn. of concd. H2SO4; sepn. of HSO3NH2;;	58%

Raw Materials

75-52-5

64-17-5

Downstream Products

84-86-6

148-79-8

532-18-3

Total:113 Page 1 of 3 1 2 3 Next>>

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Chemistry

Molecular structure of Sulfamic acid (CAS NO.5329-14-6) is:

Product Name: Sulfamic acid
CAS Registry Number: 5329-14-6
IUPAC Name: sulfamic acid
Molecular Weight: 97.09372 [g/mol]
Molecular Formula: H₃NO₃S
XLogP3-AA: -1.6
H-Bond Donor: 2
H-Bond Acceptor: 4
EINECS: 226-218-8
Melting Point: 215-225 °C (dec.)(lit.)
Surface Tension: 101.5 dyne/cm
Density: 1.913 g/cm³
Water Solubility: 146.8 g/L (20 °C)
Stability: Stable.
Product Categories: Intermediates of Dyes and Pigments;INORGANIC & ORGANIC CHEMICALS;Intermediates;Inorganics

Uses

Sulfamic acid (CAS NO.5329-14-6) is uaually used as herbicides, fire agents, paper and textile softeners,and metal cleaning agent. It can be used as standard in alkalimetry, in acid cleaning, in nitrite removal, in chlorine stabilization for use in swimming pools, cooling towers, paper mills.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
guinea pig	LD50	oral	1050mg/kg (1050mg/kg)	BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: EXCITEMENT BEHAVIORAL: REGIDITY	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 52(10), Pg. 88, 1987.
mouse	LD50	oral	1312mg/kg (1312mg/kg)	BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: EXCITEMENT BEHAVIORAL: REGIDITY	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 52(10), Pg. 88, 1987.
rat	LD50	oral	3160mg/kg (3160mg/kg)		"Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972Vol. -, Pg. 18, 1972.
rat	LDLo	intraperitoneal	100mg/kg (100mg/kg)		Journal of Industrial Hygiene and Toxicology. Vol. 25, Pg. 26, 1943.

Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 36/38-52/53
R36/38:Irritating to eyes and skin.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 26-28-61-28A
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S28:After contact with skin, wash immediately with plenty of soap-suds.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S28:After contact with skin, wash immediately with plenty of soap-suds.
RIDADR: UN 2967 8/PG 3
WGK Germany: 1
RTECS: WO5950000
HazardClass: 8
PackingGroup: III
HS Code: 28111980

Specification

Sulfamic acid , its cas register number is 5329-14-6. It also can be called Amidosulfonic acid ; Amidosulfuric acid ; Aminosulfonic acid .It is a white crystalline solid.It reacts exothermically with bases. Aqueous solutions are acidic and corrosive.

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