128-08-5

128-08-5 - 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

128-08-5 - Physico-chemical Properties

Molecular Formula	C4H4BrNO2
Molar Mass	177.984
Density	2.042g/cm³
Melting Point	175-178℃
Boling Point	221.4°C at 760 mmHg
Flash Point	87.7°C
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.
Vapor Presure	0.107mmHg at 25°C
Appearance	Form Crystalline Powder, color White to light yellow, Odor characteristic odour of bromine
pKa	-2.78±0.20(Predicted)
Storage Condition	Store at +2°C to +8°C.
Stability	Stable. Incompatible with strong oxidizing agents, halogenated hydrocarbons.
Refractive Index	1.606
Physical and Chemical Properties	The 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.
Use	Can 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

128-08-5 - Risk and Safety

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - 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 IDs	UN 3261 8/PG 2
TSCA	Yes
HS Code	29251995
Hazard Class	8
Packing Group	III
Toxicity	LD50 orally in Rabbit: > 2000 mg/kg

128-08-5 - Upstream Downstream Industry

Raw Materials	Succinic acid Succinimide
Downstream Products	alpha,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

128-08-5 - 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

128-08-5 - 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

128-08-5 - 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

128-08-5 - 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

128-08-5 - 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

128-08-5 - 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

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View History

128-08-5
3-ethynyl-N-(3-methylpentan-2-yl)aniline
3-Chlorothiophene-2-carboxylic acid
Myo-inositol, hexakis(dihydrogen phosphate), heptasodium salt
DI-N-BUTYL MALEATE
3-(2,3-环氧丙氧)丙基三乙氧基硅烷
1-(4-氯苯甲酰基) 哌嗪
去氢吴茱萸碱
氙气
Disodium monocalcium EDTA

Raw Materials for 128-08-5

Succinic acid
Succinimide

Downstream Products for 128-08-5

4-Pyrazolecarboxylic acid
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

128-08-5

N-Bromosuccinimide

CAS: 128-08-5

Molecular Formula: C4H4BrNO2

128-08-5 - Names and Identifiers

128-08-5 - Physico-chemical Properties

128-08-5 - Risk and Safety

128-08-5 - Upstream Downstream Industry

128-08-5 - Preparation Method

Open Data Verified Data

128-08-5 - Use

Open Data Verified Data

128-08-5 - Safety

Open Data Verified Data

128-08-5 - Nature

128-08-5 - Security information

128-08-5 - Uses and synthesis methods

Supplier List

128-08-5 Request for Quotation

N-Bromosuccinimide

CAS: 128-08-5

Molecular Formula: C4H4BrNO2

128-08-5 - Names and Identifiers

128-08-5 - Physico-chemical Properties

128-08-5 - Risk and Safety

128-08-5 - Upstream Downstream Industry

128-08-5 - Preparation Method

Open Data Verified Data

128-08-5 - Use

Open Data Verified Data

128-08-5 - Safety

Open Data Verified Data

128-08-5 - Nature

128-08-5 - Security information

128-08-5 - Uses and synthesis methods

Supplier List

128-08-5