Chemistry of Intermediates and Dyestuffs
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Chemistry of Intermediates and Dyestuffs Syllabus — Unit-wise Content
The official GTU curriculum for Chemistry of Intermediates and Dyestuffs (subject code 4352802) as prescribed for CS-AI · Semester 5 divides the course into 5 units, covering 42 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (4352802)Unit 1 Introduction to Dyestuff Chemistry
- 1.1. Natural colouring matters
- 1.1.4. Alizarine from roots of madder
- 1.1.6. Tyrian purple
- 1.2. Synthetic Dyes: Milestones
- 1.2.2. Direct dye: Congo red
- 1.2.3. Synthesis of Indigo
- 1.2.4. Disperse dye
- 1.2.5. Fluorescent brighteners
- 1.3. Non textile uses of dyes
Unit 2 Colour and Chemical Constitution
- 2.1. Bathochromic, Hypsochromic, Hyperochromic and Hypochromic effects
- 2.2. Auxochrome, chromogen, chromophore of colour chemistry, colour and chemical constitutions.
- 2.3. Theories to explain relation between colour and chemical constitutions:
- 2.3.1. Witt’s theory
- 2.3.2. Armstrong theory
Unit 3 Intermediates
- 3.1. Primary, Intermediate, and Unit process
- 3.2. Distillation of coal tar
- 3.3. Preparation of the following Intermediates:
- 3.3.3. Koch acid
- 3.3.4. Gamma acid
- 3.3.5. Bon acid
Unit 4 Synthesis of
- 4.1. Nitro dyes
- 4.1.1. Picric acid
- 4.1.2. Naphthol yellow – S Chemistry of Intermediates and Dyes Course Code: 4352802 Dyes Based on Constitution
- 4.2. Nitroso dyes
- 4.3. Azo dyes
- 4.3.1. Monoazo: Metanil yellow
- 4.3.2. Diazo : Naphthol blue black 6B
- 4.3.3. Triazo: Direct deep
- 4.4. Diphenylmethane dyes
- 4.5. Triphenylmethane dyes
- 4.5.1. Malachite green
- 4.5.2. Crystal violet
- 4.6. Xanthene dyes
- 4.7. Thiazine dyes
- 4.7.1. Methylene blue
Unit 5 Synthesis of Dyes Based on Application
- 5.1. Acid dyes: Orange II
- 5.2. Basic dyes : Methyl violet
- 5.3. Direct cotton dyes: Congo red
- 5.4. Azoic dyes: Fast blue B-base and coupling component Naphthol AS
- 5.5. Mordant dyes: Eriochrome Black A
- 5.6. Vat dyes : Indanthrene brown RRD
- 5.7. Reactive dyes: Procion red, Procion blue HB
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