THIOUREA DIOXIDE supplier | CasNO.1758-73-2

Name
Thiourea dioxide
EINECS 217-157-8
CAS No. 1758-73-2
Article Data26
CAS DataBase
Density 2.25 g/cm³
Solubility water: 30 g/L (20 °C)
Melting Point 124-127 °C (dec.)(lit.)
Formula CH₄N₂O₂S
Boiling Point 355.3 °C at 760 mmHg
Molecular Weight 108.121
Flash Point 168.7 °C
Transport Information UN 3341 4.2/PG 2
Appearance white crystalline powder
Safety 26-24/25-36
Risk Codes 5-22-36/37/38
Molecular Structure
Hazard Symbols Xn,Xi
Synonyms AIMSA;Methanesulfinic acid,aminoimino-;amino-imino-methanesulfinic acid;Methanesulfinic acid, aminoimino-;Methenesulfinic acid, aminoimino-;Thiourea Dioxide(Formamidinesulfinic acid);aminoiminomethanesulphinic acid;Formamidinesulphinic acid;99%Thiourea dioxide(Antioxidants);
PSA 106.38000
LogP 0.76730

Synthetic route

: 17356-08-0
thiourea

: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
With peracetic acid In methanol; water at 10℃;	86%
With dihydrogen peroxide In water at 8 - 10℃; for 1.5h;	75%
With dihydrogen peroxide at 8 - 15℃; for 3h; pH=3 - 5;	57.3%

: 79-21-0
peracetic acid

: 64-19-7
acetic acid

: 17356-08-0
thiourea

: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
je nach den Mengenverhaeltnissen;

...Expand

: 1147550-11-5
ammonium thiocyanate

: 17356-08-0
thiourea

: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
With water; dihydrogen peroxide at 10 - 30℃;

: 14807-75-1
formamidine disulfide dihydrochloride

: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
With ammonium hydroxide; ammonium molybdate tetrahydrate; dihydrogen peroxide

: 67-56-1
methanol

: 10028-15-6
ozone

: 17356-08-0
thiourea

: 1758-73-2
Aminoiminomethanesulfinic acid

...Expand

: 7732-18-5
water

: 10028-15-6
ozone

: 17356-08-0
thiourea

: 1758-73-2
Aminoiminomethanesulfinic acid

...Expand

: 10028-15-6
ozone

: 64-19-7
acetic acid

: 17356-08-0
thiourea

: 1758-73-2
Aminoiminomethanesulfinic acid

...Expand

: 17356-08-0
thiourea

neutr.aqueous hydrogen peroxide: neutr.aqueous hydrogen peroxide

: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
at 0℃;

: 7732-18-5
water

: 7722-84-1
dihydrogen peroxide

: 17356-08-0
thiourea

A: 3256-06-2
formamidine disulfide

B: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
vom pH 7.4;

...Expand

: 3256-06-2
formamidine disulfide

A: 505-14-6
thiocyanogen

B: 1184-90-3
aminoiminomethanesulfonic acid

C: 1758-73-2
Aminoiminomethanesulfinic acid

D: 17356-08-0
thiourea

E: 57-13-6
urea

F: Thiourea sulfoxide

Conditions

Conditions	Yield
With water; dihydrogen peroxide at 25℃; pH=2; Kinetics; pH-value;

...Expand

: 3256-06-2
formamidine disulfide

A: 1758-73-2
Aminoiminomethanesulfinic acid

B: 17356-08-0
thiourea

C: 57-13-6
urea

Conditions

Conditions	Yield
With sodium chlorate; sulfuric acid; sodium perchlorate; oxalic acid In water at 25℃; Kinetics;

...Expand

: [RuIII(ethylenediaminetetraacetate)(thiourea)](1-)

: 7722-84-1
dihydrogen peroxide

A: 1184-90-3
aminoiminomethanesulfonic acid

B: 3256-06-2
formamidine disulfide

C: C9H10N2O8(4-)*HO2(1-)*Ru(3+)

D: C9H10N2O8(4-)*O(2-)*Ru(5+)

E: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
In water at 25℃; pH=4.9; Kinetics; Mechanism;

...Expand

: 15282-93-6, 199015-49-1
[Ru(ethylenediaminetetraacetate)(H2O)]

: 17356-08-0
thiourea

: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
With 1 mM phosphate buffer In water at 25℃; pH=6.2;

: [ruthenium(III)(ethylenediaminetetraacetic acid)(thiourea)]

: 17356-08-0
thiourea

A: 15282-93-6, 199015-49-1
[Ru(ethylenediaminetetraacetate)(H2O)]

B: 3256-06-2
formamidine disulfide

C: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
With oxone In water at 25℃; pH=6.2; Kinetics; Mechanism; Concentration;

...Expand

: 17356-08-0
thiourea

A: 3256-06-2
formamidine disulfide

B: 1758-73-2
Aminoiminomethanesulfinic acid

Conditions

Conditions	Yield
With sodium perchlorate; hypochloric acid; sodium hydroxide In water at 25℃; Kinetics;

: 1758-73-2
Aminoiminomethanesulfinic acid

: 1184-90-3
aminoiminomethanesulfonic acid

Conditions

Conditions	Yield
With peracetic acid In acetic acid 1.) at addition below 20 deg C, 2.) after addition room temp. 2 h.;	97%
With sulfuric acid; dihydrogen peroxide at 50℃; for 1.16667h;	93%
With sulfuric acid; dihydrogen peroxide at 55℃; for 1.58333h;	83.3%

: 3-(1-(trifluoromethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)propan-1-amine

: 1758-73-2
Aminoiminomethanesulfinic acid

: 1-(3-(1-(trifluoromethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)propyl)guanidine

Conditions

Conditions	Yield
With triethylamine In methanol; water	95%

: 5-(1-(trifluoromethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)pentan-1-amine

: 1758-73-2
Aminoiminomethanesulfinic acid

: 1-(5-(1-(trifluoromethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)pentyl)guanidine

Conditions

Conditions	Yield
With triethylamine In methanol; water	92%

: 1758-73-2
Aminoiminomethanesulfinic acid

: 73-22-3
L-Tryptophan

: 91568-61-5
L-N-Formamidinetryptophan

Conditions

Conditions	Yield
With sodium hydroxide at 20℃; Substitution; N-Formamidinylation;	91.8%

: 4-(1-(trifluoromethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)butan-1-amine

: 1758-73-2
Aminoiminomethanesulfinic acid

: 1-(4-(1-(trifluoromethyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)butyl)guanidine

Conditions

Conditions	Yield
With triethylamine In methanol; water	91%

: 1758-73-2
Aminoiminomethanesulfinic acid

: 17-(cyclopropylmethyl)-17'-(ethylamino)-6,6',7,7'-tetradehydro-4,5α:4',5α'-diepoxy-6,6'-imino-7,7'-bimorphinan-3,3',14,14'-tetrol hydrochloride

: 17-(cyclopropylmethyl)-17'-(2-guanidinoethyl)-6,6',7,7'-tetradehydro-4,5α:4',5α'-diepoxy-6,6'-imino-7,7'-bimorphinan-3,3',14,14'-tetrol sulfinate

Conditions

Conditions	Yield
With triethylamine In N,N-dimethyl-formamide Ambient temperature;	90%

: 135425-59-1
((E)-3-Oxo-but-1-enyl)-triphenyl-phosphonium; chloride

: 1758-73-2
Aminoiminomethanesulfinic acid

: 63612-38-4
<4-methyl-(5-methylimidazolyl)>triphenylphosphonium chloride

Conditions

Conditions	Yield
With N,N,N',N'-tetramethyl-1,8-diaminonaphthalene In dimethyl sulfoxide at 80℃; var. bases;	89%

: 111-26-2
hexan-1-amine

: 1758-73-2
Aminoiminomethanesulfinic acid

: N-hexylguanidine

Conditions

Conditions	Yield
With sodium hydroxide In water at 20 - 60℃;	85%

: 107-97-1
sarcosine

: 1758-73-2
Aminoiminomethanesulfinic acid

: 57-00-1
Creatinine

Conditions

Conditions	Yield
With sodium hydroxide at 20℃; Substitution; N-Formamidinylation;	83.2%

: 2935-35-5
(S)-2-phenylglycine

: 1758-73-2
Aminoiminomethanesulfinic acid

: N-Formamidine-L-phenylglycine

Conditions

Conditions	Yield
With sodium hydroxide at 20 - 60℃; Substitution; N-Formamidinylation;	82.4%

: 1758-73-2
Aminoiminomethanesulfinic acid

: 142643-29-6
tert-butyl (piperidin-3-ylmethyl)carbamate

: 140645-13-2
(RS)-<<1-(aminoiminomethyl)piperidin-3-yl>methyl>carbamic acid tert-butyl ester

Conditions

Conditions	Yield
With triethylamine In N,N-dimethyl-formamide for 15h; Ambient temperature;	82%

: tris[2-perfluorohexylethyl]tin-3-benzylamine

: 1758-73-2
Aminoiminomethanesulfinic acid

: tris[2-perfluorohexylethyl]tin-3-benzylguanidine

Conditions

Conditions	Yield
In methanol at 20℃; for 16h;	82%

: 6246-48-6, 35278-77-4, 36615-19-7
geranylamine

: 1758-73-2
Aminoiminomethanesulfinic acid

: nitensidine D

Conditions

Conditions	Yield
With sodium hydroxide In water at 20 - 60℃;	81%

: 150-30-1
Phenylalanine

: 1758-73-2
Aminoiminomethanesulfinic acid

: 88728-27-2
α-guanidino-β-phenylpropionic acid

Conditions

Conditions	Yield
With sodium hydroxide at 20 - 60℃; Substitution; N-Formamidinylation;	78.2%

: 1255533-78-8
3-AOHP

: 1758-73-2
Aminoiminomethanesulfinic acid

: 1255533-79-9
3-GOHP

Conditions

Conditions	Yield
With sodium hydroxide In water at 20 - 60℃; Inert atmosphere;	76%

: 56-41-7
L-alanin

: 1758-73-2
Aminoiminomethanesulfinic acid

: 1758-74-3
N-Formamidine-L-alanine

Conditions

Conditions	Yield
With sodium hydroxide at 20℃; Substitution; N-Formamidinylation;	73.2%

: 1758-73-2
Aminoiminomethanesulfinic acid

: 107-95-9
3-amino propanoic acid

: 353-09-3
3-guanidinopropionic acid

Conditions

Conditions	Yield
With sodium hydroxide at 20℃; Substitution; N-Formamidinylation;	72.1%

: 556-50-3
glycylglycine

: 1758-73-2
Aminoiminomethanesulfinic acid

: 2446-72-2
N-Formamidineglycylglycine

Conditions

Conditions	Yield
With sodium hydroxide at 20 - 60℃; Substitution; N-Formamidinylation;	70.2%

: 1758-73-2
Aminoiminomethanesulfinic acid

: 56-40-6
glycine

: 352-97-6
guanidineacetic acid

Conditions

Conditions	Yield
With sodium hydroxide at 20℃; Substitution; N-Formamidinylation;	70.2%

: 875-51-4
4-Bromo-2-nitroaniline

: 1758-73-2
Aminoiminomethanesulfinic acid

: 4887-88-1
5-bromo-1H-benzo[d]imidazole

Conditions

Conditions	Yield
With sodium hydroxide In ethanol; water at 70℃; for 1.5h; Green chemistry;	68%

: 1758-73-2
Aminoiminomethanesulfinic acid

: 88-74-4
2-nitro-aniline

: 51-17-2
benzoimidazole

Conditions

Conditions	Yield
With sodium hydroxide In ethanol; water at 70℃; for 1h; Solvent; Green chemistry;	65%

: 1758-73-2
Aminoiminomethanesulfinic acid

: 89-63-4
4-Chloro-2-nitroaniline

: 4887-82-5
5-chloro-1H-benzimidazole

Conditions

Conditions	Yield
With sodium hydroxide In ethanol; water at 70℃; for 1h; Green chemistry;	64%

: 61-90-5
L-leucine

: 1758-73-2
Aminoiminomethanesulfinic acid

: 79198-90-6
N-Formamidine-L-leucine

Conditions

Conditions	Yield
With sodium hydroxide at 20 - 60℃; Substitution; N-Formamidinylation;	63.2%

: 364-78-3
2-nitro-4-fluoroaniline

: 1758-73-2
Aminoiminomethanesulfinic acid

: 1977-72-6
5-fluoro-1H-benzoimidazole

Conditions

Conditions	Yield
With sodium hydroxide In ethanol; water at 70℃; for 1h; Green chemistry;	62%

: 1758-73-2
Aminoiminomethanesulfinic acid

: 89-62-3
4-methyl-2-nitroaniline

: 614-97-1
5-methylbenzimidazole

Conditions

Conditions	Yield
With sodium hydroxide In ethanol; water at 70℃; for 2h; Green chemistry;	60%

: 1758-73-2
Aminoiminomethanesulfinic acid

: 96-96-8
4-methoxy-2-nitroaniline

: 4887-80-3
5-methoxy-1H-benzimidazole

Conditions

Conditions	Yield
With sodium hydroxide In ethanol; water at 70℃; for 1.5h; Green chemistry;	59%

: 570-24-1
2-Methyl-6-nitroaniline

: 1758-73-2
Aminoiminomethanesulfinic acid

: 4887-83-6
4-methylbenzimidazole

Conditions

Conditions	Yield
With sodium hydroxide In ethanol; water at 70℃; for 2h; Green chemistry;	57%

: 84-51-5
2-ethylanthraquinone

: 1758-73-2
Aminoiminomethanesulfinic acid

: 2-ethyl-9,10-bis(2,3-dihydroxypropoxy)anthracene

Conditions

Conditions	Yield
Stage #1: 2-ethylanthraquinone; Aminoiminomethanesulfinic acid With sodium hydroxide at 60℃; for 1h; Stage #2: With oxiranyl-methanol In ethanol at 55℃; for 3h;	52%

: 827-23-6
2,4-dibromo-6-nitroaniline

: 1758-73-2
Aminoiminomethanesulfinic acid

: 69038-75-1
5,7-dibromo-1H-benzoimidazole

Conditions

Conditions	Yield
With sodium hydroxide In ethanol; water at 70℃; for 3h; Green chemistry;	50%

THIOUREA DIOXIDE Chemical Properties

Synonyms: FAS PRIMER PAIR;FASTECH;FORMAMIDINESULFINIC ACID;FORMAMIDINESULPHINIC ACID;AMIDINOSULFINIC ACID;AMINOIMINOMETHANESULFINIC ACID;Methanesulfinicacid,aminoimino-; aminoimino-methanesulfinicaci;
Molecular formula:CH₄N₂O₂S
Molecular Weight: 108.12
Molecular Structure:

EINECS: 217-157-8
Melting point:124-127 ^°C (dec.)(lit.)
density:1.68
Water Solubility:30 g/L (20^oC)
Storage Temp.:2-8^°C

THIOUREA DIOXIDE Uses

Thiourea dioxide (TDO) is a strong reductant which re-arranges under alkaline conditions to form formamidine sulphinic acid. This product is used in leather processing industry, paper, pulp and board industry, photographic industry, textile processing industry, bleaching and reducing agents. This product is also a component of decolorisation agents. TDO has been very effective on a wide variety of pulp sources as a reductive bleaching aid in the pulp and paper industry. The application of TDO is crucial to achieve optimal brightness gain in the deinking process.

THIOUREA DIOXIDE Safety Profile

Hazard Codes:

Xn,Xi
The Risk Statements information of THIOUREA DIOXIDE:
5: Heating may cause an explosion
22: Harmful if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
The Safety Statements information of THIOUREA DIOXIDE:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
24/25: Avoid contact with skin and eyes
RIDADR:UN 3341 4.2/PG 2
WGK Germany:1

Product Name

Thiourea dioxide

Synthetic route

THIOUREA DIOXIDE Chemical Properties

THIOUREA DIOXIDE Uses

THIOUREA DIOXIDE Safety Profile

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