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1-Bromo-2,5-pyrrolidinedione

N-Bromosuccinimide

CAS: 128-08-5

Molecular Formula: C4H4BrNO2

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1-Bromo-2,5-pyrrolidinedione - Names and Identifiers

Name N-Bromosuccinimide
Synonyms NBS
N-Bromobutanimide
N-Bromosuccinimide
N-Bromo Succinimide
Bromosuccinimide, N-
1-bromopyrrolidine-2,5-dione
1-Bromo-2,5-pyrrolidinedione
CAS 128-08-5
EINECS 204-877-2
InChI InChI=1/C4H4BrNO2/c5-6-3(7)1-2-4(6)8/h1-2H2
InChIKey PCLIMKBDDGJMGD-UHFFFAOYSA-N

1-Bromo-2,5-pyrrolidinedione - Physico-chemical Properties

Molecular FormulaC4H4BrNO2
Molar Mass177.984
Density2.042g/cm3
Melting Point175-178℃
Boling Point221.4°C at 760 mmHg
Flash Point87.7°C
Water SolubilitySoluble in acetone, tetrahydrofuran, dimethyl formamide, dimethyl sulfoxide and acetonitrile. Slightly soluble in water and acetic acid. Insoluble in ether, hexane and carbon tetrachloride.
Vapor Presure0.107mmHg at 25°C
AppearanceForm Crystalline Powder, color White to light yellow, Odor characteristic odour of bromine
pKa-2.78±0.20(Predicted)
Storage ConditionStore at +2°C to +8°C.
StabilityStable. Incompatible with strong oxidizing agents, halogenated hydrocarbons.
Refractive Index1.606
Physical and Chemical PropertiesThe nature of white or milky white fine crystals, slightly bromine odor. Soluble in acetone, ethyl acetate, acetic anhydride, difficult to dissolve in water, benzene, carbon tetrachloride, chloroform, etc. Specific gravity 2.097, melting point 173-175 ℃, decomposition at 182 ℃. The minimum content of active bromine was 44.5%. Slightly decomposed at 173.5 °c. Soluble in carbon tetrachloride.
UseCan be used for the synthesis of bromoacetonitrile drugs, pesticide industry for the synthesis of thiabendazole, can be used as fruit preservative and antiseptic, fungicide, etc

1-Bromo-2,5-pyrrolidinedione - Risk and Safety

Hazard SymbolsXn - Harmful
Harmful
Risk CodesR22 - Harmful if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection
UN IDsUN 3261 8/PG 2
TSCAYes
HS Code29251995
Hazard Class8
Packing GroupIII
ToxicityLD50 orally in Rabbit: > 2000 mg/kg

1-Bromo-2,5-pyrrolidinedione - Upstream Downstream Industry

Raw MaterialsSuccinic acid
Succinimide
Downstream Productsalpha,alpha'-Dibromo-p-xylene
4-Pyrazolecarboxylic acid
METHYL ALPHA-BROMOPHENYLACETATE
5-Bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidine
2,1,3-BENZOTHIADIAZOL-4-YLMETHANOL
5-Bromo-4-chloro-2-(methylthio)-7H-pyrrolo[2,3-D]pyrimidine ,97%
IMIDAZO[1,2-A]PYRIDINE-2-CARBOXYLIC ACID
METHYL 3-((PYRROLIDIN-1-YL)METHYL)BENZOATE
5-BROMO-2-(PIPERIDIN-1-YL)PYRIMIDINE

1-Bromo-2,5-pyrrolidinedione - Preparation Method

Open Data Verified Data

ammonium succinate is synthesized from succinic acid and ammonia, and then heated and dehydrated to form succinimide, which is then brominated and refined to obtain a finished product.

Last Update：2022-01-01 10:36:14

1-Bromo-2,5-pyrrolidinedione - Use

Open Data Verified Data

organic chemical raw materials. For the regulation of low energy bromination reaction, can also be used for the preparation of rubber additives and pharmaceuticals.

Last Update：2022-01-01 10:36:13

1-Bromo-2,5-pyrrolidinedione - Safety

Open Data Verified Data

This product is highly toxic. It has strong irritation to eyes, mucous membranes and skin. The workshop should be well ventilated. Production equipment should be sealed to prevent leakage, and operators should wear protective equipment.
Reagent grade products are packaged in glass bottles, lOg per bottle, and reinforced with wooden frames. Store in a cool, dry place. Transport according to the regulations of toxic chemicals.

Last Update：2022-01-01 10:36:14

1-Bromo-2,5-pyrrolidinedione - Nature

storage conditions Store at 2°C to 8°C.
solubility 14.8g/l (decomposition)
acidity coefficient (pKa) -2.78±0.20(Predicted)
morphology Crystalline Powder
color White to light yellow
Odor characteristic odour of bromine
water solubility Soluble in acetone, tetrahydrofuran, dimethyl formamide, dimethyl sulfoxide and acetonitrile. Slightly soluble in water and acetic acid. Insoluble in ether, hexane and carbon tetrachloride.
sensitivity Moisture Sensitive
Merck 14,1438
BRN 113916
stability Stable. Incompatible with strong oxidizing agents, halogenated hydrocarbons.
InChIKey PCLIMKBDDGJMGD-UHFFFAOYSA-N
NIST chemical information 2,5-Pyrrolidinedione, 1-bromo-(128-08-5)
EPA chemical information N-Bromosuccinimide (128-08-5)
Last Update：2024-04-10 22:29:15

1-Bromo-2,5-pyrrolidinedione - Security information

WGK Germany 3
Hazard Note Harmful
TSCA Yes
HazardClass 8
PackingGroup III
customs code 29251995
toxic substance data 128-08-5(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 2000 mg/kg
Last Update：2024-04-10 22:29:15

1-Bromo-2,5-pyrrolidinedione - Uses and synthesis methods

category toxic substances
toxicity classification highly toxic
acute toxicity abdominal cavity-mouse LDL0: 256 mg/kg
explosive hazard characteristics reacts and explodes with aniline, dialkyl sulfur and hydrazine hydrate; Reacts and explodes with propionitrile when heated at 105 ℃ for 24 hours
flammability hazard characteristics It is irritating to human eyes, skin and mucous membranes; thermal decomposition discharges toxic nitrogen oxides and bromide smoke
storage and transportation characteristics Warehouse ventilation and low temperature drying; separate storage with aniline; dialkyl sulfur; hydrazine hydrate, peroxide, propionitrile
fire extinguishing agent Foam, dry powder, carbon dioxide, mist water
Last Update：2024-04-10 22:29:15
Supplier List
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Guangzhou Yuanda New Material Co.,Ltd
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Product Name: N-Bromosuccinimide Request for quotation
CAS: 128-08-5
Tel: +86 19849939632
Email: 2470479589@qq.com
Mobile: +86 19849939632
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Wechat: +86 19849939632
Jiangsu Pules Biotechnology Co.,Ltd.
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Product Name: N-Bromosuccinimide Request for quotation
CAS: 128-08-5
Tel: 17505222756
Email: pules.cn@gmail.com
Mobile: +86-17551318830
Wechat: 17505222756
JIANGSU BSECHEM CHEMICAL TECHNOLOGY CO., LTD.
Spot supply
Product Name: N-Bromosuccinimide Request for quotation
CAS: 128-08-5
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
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Nantong Reform Petro-Chemical CO., LTD.
Spot supply
Product Name: N-Bromosuccinimide Request for quotation
CAS: 128-08-5
Tel: +86-17551318830
Email: r@reformchem.com­
Mobile: +86-17551318830
QQ: 3785839865 Click to send a QQ messageSend QQ message
Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
Spot supply
Product Name: Letrozole Impurity 10 Visit Supplier Webpage Request for quotation
CAS: 128-08-5
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052 Click to send a QQ message
Wechat: 15671228036
Hefei TNJ Chemical Industry Co.,Ltd.
Product Name: N-Bromosuccinimide Request for quotation
CAS: 128-08-5
Tel: 0086-551-65418684
Email: sales@tnjchem.com
　　　　 info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840 Click to send a QQ message
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
Wuhan Boye Science And Technology Development Co., Ltd.
Product Name: N-Bromosuccinimide Request for quotation
CAS: 128-08-5
Tel: 86-10-10086 81625225
Email: yeqim@boyechemicals.com
Mobile: 86-15387090420
QQ: 1377812380 Click to send a QQ message
Wechat: 15387090420
Shanghai Worldyang Chemical Co.,Ltd.
Product Name: N-Bromosuccinimide Request for quotation
CAS: 128-08-5
Tel: +86-21-56795779
Email: charles7788@worldyachem.com
Mobile: +86-13651600618
QQ: 2850607228 Click to send a QQ message
Wechat: 13651600618
WhatsApp: +8613651600618
Zouping Mingxing Chemical Co., Ltd.
Product Name: N-Bromosuccinimide Request for quotation
CAS: 128-08-5
Tel: 0086-13605431940
Email: xuli678323@126.com
Mobile: +86-13605431940
QQ: 56860987 Click to send a QQ message
Wechat: 13605431940
WhatsApp: 13605431940
View History
1-Bromo-2,5-pyrrolidinedione
33451-85-3
Raw Materials for 1-Bromo-2,5-pyrrolidinedione
Succinic acid
Succinimide
Downstream Products for 1-Bromo-2,5-pyrrolidinedione
4-Pyrazolecarboxylic acid
METHYL ALPHA-BROMOPHENYLACETATE
2,1,3-BENZOTHIADIAZOL-4-YLMETHANOL
IMIDAZO[1,2-A]PYRIDINE-2-CARBOXYLIC ACID
5-BROMO-2-(PIPERIDIN-1-YL)PYRIMIDINE
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