1,4-Diiodobutane

CAS No.：628-21-7

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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1,4-Diiodobutane Basic information

Product Name:	1,4-Diiodobutane
Synonyms:	1,4-DIIODOBUTANE;TETRAMETHYLENE IODIDE;TETRAMETHYLENE DIIODIDE;1,4-Diiodobutane,98%,stabilized;1,4-Diiodobutane, stabilized ,98%;1,4-Diiodobutane 1,4-Diiodobutane, Reagent;1,4-Diiodobutane >=99%, contains copper as stabilizer
CAS:	628-21-7
MF:	C4H8I2
MW:	309.92
EINECS:	211-032-1
Product Categories:	Iodine Compounds
Mol File:	628-21-7.mol

1,4-Diiodobutane Chemical Properties

Melting point	6 °C (lit.)
Boiling point	147-152 °C/26 mmHg (lit.)
density	2.35 g/mL at 25 °C (lit.)
refractive index	n20/D 1.621(lit.)
Fp	108-110°C/10mm
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
form	Oil
Specific Gravity	2.35
Water Solubility	insoluble
Sensitive	Light Sensitive
BRN	1098276
InChIKey	ROUYUBHVBIKMQO-UHFFFAOYSA-N
CAS DataBase Reference	628-21-7(CAS DataBase Reference)
NIST Chemistry Reference	Butane, 1,4-diiodo-(628-21-7)
EPA Substance Registry System	Butane, 1,4-diiodo- (628-21-7)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-37/39
RIDADR	2810
WGK Germany	3
RTECS	EJ9200000
F	8-10
TSCA	Yes
HazardClass	6.1(b)
PackingGroup	III
HS Code	29033080

MSDS Information

Provider	Language
1,4-Diiodobutane	English
SigmaAldrich	English
ACROS	English
ALFA	English

1,4-Diiodobutane Usage And Synthesis

Chemical Properties	clear brownish liquid
Uses	1,4-Diiodobutane is used as an additive to enhance perovskite solar cell performance. It is used as a crosslinking agent for the synthesis of anion exchange membranes from cellulose.

1,4-Diiodobutane Preparation Products And Raw materials

Raw materials

Tetrahydrofuran

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